1212210120892 has 24 divisors (see below), whose sum is σ = 2172394135296. Its totient is φ = 591548060208.

The previous prime is 1212210120889. The next prime is 1212210120911. The reversal of 1212210120892 is 2980210122121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525908 + ... + 2967259.

It is an arithmetic number, because the mean of its divisors is an integer number (90516422304).

Almost surely, 2^{1212210120892} is an apocalyptic number.

It is an amenable number.

1212210120892 is a deficient number, since it is larger than the sum of its proper divisors (960184014404).

1212210120892 is a wasteful number, since it uses less digits than its factorization.

1212210120892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494497 (or 5494495 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 1212210120892 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty thousand, eight hundred ninety-two".