1200121002092 has 24 divisors (see below), whose sum is σ = 2306868748800. Its totient is φ = 543761917776.

The previous prime is 1200121002061. The next prime is 1200121002133. The reversal of 1200121002092 is 2902001210021.

It is a happy 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, 343282292 + ... + 343285787.

It is an arithmetic number, because the mean of its divisors is an integer number (96119531200).

Almost surely, 2^{1200121002092} is an apocalyptic number.

It is an amenable number.

1200121002092 is a deficient number, since it is larger than the sum of its proper divisors (1106747746708).

1200121002092 is a wasteful number, since it uses less digits than its factorization.

1200121002092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686568125 (or 686568123 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1200121002092 in words is "one trillion, two hundred billion, one hundred twenty-one million, two thousand, ninety-two".