121002122312 has 16 divisors (see below), whose sum is σ = 229428182700. Its totient is φ = 59821273600.

The previous prime is 121002122291. The next prime is 121002122321. The reversal of 121002122312 is 213221200121.

It can be written as a sum of positive squares in 2 ways, for example, as 106475605636 + 14526516676 = 326306^2 + 120526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84972689 + ... + 84974112.

Almost surely, 2^121002122312 is an apocalyptic number.

It is an amenable number.

121002122312 is a deficient number, since it is larger than the sum of its proper divisors (108426060388).

121002122312 is a wasteful number, since it uses less digits than its factorization.

121002122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169946896 (or 169946892 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121002122312 its reverse (213221200121), we get a palindrome (334223322433).

The spelling of 121002122312 in words is "one hundred twenty-one billion, two million, one hundred twenty-two thousand, three hundred twelve".