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1000002220212 = 2232391760919801
BaseRepresentation
bin11101000110101001100…
…01101111000010110100
310112121011212121020001010
432203110301233002310
5112341001032021322
62043221130032220
7132150662423652
oct16432461570264
93477155536033
101000002220212
1135610a201a86
12141982878670
13733b8895288
1436586863dd2
151b02ba5420c
hexe8d4c6f0b4

1000002220212 has 48 divisors (see below), whose sum is σ = 2343352838400. Its totient is φ = 331903756800.

The previous prime is 1000002220211. The next prime is 1000002220229. The reversal of 1000002220212 is 2120222000001.

1000002220212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50492712 + ... + 50512512.

It is an arithmetic number, because the mean of its divisors is an integer number (48819850800).

Almost surely, 21000002220212 is an apocalyptic number.

1000002220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000002220212 is an abundant number, since it is smaller than the sum of its proper divisors (1343350618188).

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

1000002220212 is a wasteful number, since it uses less digits than its factorization.

1000002220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37656 (or 37654 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000002220212 its reverse (2120222000001), we get a palindrome (3120224220213).

The spelling of 1000002220212 in words is "one trillion, two million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 17609 19801 35218 39602 52827 59403 70436 79204 105654 118806 211308 237612 4208551 4732439 8417102 9464878 12625653 14197317 16834204 18929756 25251306 28394634 50502612 56789268 348675809 697351618 1046027427 1394703236 2092054854 4184109708 83333518351 166667036702 250000555053 333334073404 500001110106 1000002220212