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12210200000 = 265561051
BaseRepresentation
bin10110101111100100…
…01101110111000000
31011111221122102112122
423113302031313000
5200001302400000
65335334543412
7611402662505
oct132762156700
934457572478
1012210200000
1151a6380a89
122449207b68
1311c788071b
1483b8d74ac
154b6e42085
hex2d7c8ddc0

12210200000 has 84 divisors (see below), whose sum is σ = 30285577224. Its totient is φ = 4884000000.

The previous prime is 12210199987. The next prime is 12210200027. The reversal of 12210200000 is 201221.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169475 + ... + 230525.

It is an arithmetic number, because the mean of its divisors is an integer number (360542586).

Almost surely, 212210200000 is an apocalyptic number.

12210200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15142788612).

12210200000 is an abundant number, since it is smaller than the sum of its proper divisors (18075377224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210200000 is an frugal number, since it uses more digits than its factorization.

12210200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61088 (or 61058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 12210200000 its reverse (201221), we get a palindrome (12210401221).

The spelling of 12210200000 in words is "twelve billion, two hundred ten million, two hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 20000 25000 40000 50000 61051 100000 122102 200000 244204 305255 488408 610510 976816 1221020 1526275 1953632 2442040 3052550 3907264 4884080 6105100 7631375 9768160 12210200 15262750 19536320 24420400 30525500 38156875 48840800 61051000 76313750 97681600 122102000 152627500 190784375 244204000 305255000 381568750 488408000 610510000 763137500 1221020000 1526275000 2442040000 3052550000 6105100000 12210200000