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12102212012012 = 221719414719072549
BaseRepresentation
bin1011000000011100010000…
…0011000100011111101100
31120211221220222000022001222
42300013010003010133230
53041240312233341022
641423402432122512
72356233044536433
oct260070403043754
946757828008058
1012102212012012
1139465791a4301
1214355a6396438
1369a306578275
142dba7072611a
1515ec1644b242
hexb01c40c47ec

12102212012012 has 192 divisors, whose sum is σ = 24717788928000. Its totient is φ = 5147100241920.

The previous prime is 12102212011997. The next prime is 12102212012083. The reversal of 12102212012012 is 21021021220121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4747826114 + ... + 4747828662.

It is an arithmetic number, because the mean of its divisors is an integer number (128738484000).

Almost surely, 212102212012012 is an apocalyptic number.

It is an amenable number.

12102212012012 is an abundant number, since it is smaller than the sum of its proper divisors (12615576915988).

12102212012012 is a wasteful number, since it uses less digits than its factorization.

12102212012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12102212012012 its reverse (21021021220121), we get a palindrome (33123233232133).

The spelling of 12102212012012 in words is "twelve trillion, one hundred two billion, two hundred twelve million, twelve thousand, twelve".