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12210012202020 = 22352343478295281
BaseRepresentation
bin1011000110101101110101…
…1100001010010000100100
31121020021011202002100102220
42301223131130022100210
53100022101110431040
641545111400232340
72400100325201613
oct261533534122044
947207152070386
1012210012202020
113988267634626
12145247046b6b0
136a75260ac149
14302d796bb87a
151629253632d0
hexb1add70a424

12210012202020 has 384 divisors, whose sum is σ = 37332831191040. Its totient is φ = 2973130997760.

The previous prime is 12210012201923. The next prime is 12210012202093. The reversal of 12210012202020 is 2020221001221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2312061780 + ... + 2312067060.

It is an arithmetic number, because the mean of its divisors is an integer number (97220914560).

Almost surely, 212210012202020 is an apocalyptic number.

12210012202020 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 12210012202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18666415595520).

12210012202020 is an abundant number, since it is smaller than the sum of its proper divisors (25122818989020).

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

12210012202020 is a wasteful number, since it uses less digits than its factorization.

12210012202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12210012202020 its reverse (2020221001221), we get a palindrome (14230233203241).

The spelling of 12210012202020 in words is "twelve trillion, two hundred ten billion, twelve million, two hundred two thousand, twenty".