201211928292 has 12 divisors (see below), whose sum is σ = 469494499376. Its totient is φ = 67070642760.

The previous prime is 201211928227. The next prime is 201211928293. The reversal of 201211928292 is 292829112102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 201211928292.

It is not an unprimeable number, because it can be changed into a prime (201211928293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8383830334 + ... + 8383830357.

Almost surely, 2^201211928292 is an apocalyptic number.

It is an amenable number.

201211928292 is an abundant number, since it is smaller than the sum of its proper divisors (268282571084).

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

201211928292 is a wasteful number, since it uses less digits than its factorization.

201211928292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16767660698 (or 16767660696 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 201211928292 in words is "two hundred one billion, two hundred eleven million, nine hundred twenty-eight thousand, two hundred ninety-two".