121200202000202 has 32 divisors (see below), whose sum is σ = 199050409832400. Its totient is φ = 55012998067200.

The previous prime is 121200202000183. The next prime is 121200202000307. The reversal of 121200202000202 is 202000202002121.

It can be written as a sum of positive squares in 8 ways, for example, as 87342687924361 + 33857514075841 = 9345731^2 + 5818721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154487663 + ... + 155270210.

Almost surely, 2^{121200202000202} is an apocalyptic number.

121200202000202 is a deficient number, since it is larger than the sum of its proper divisors (77850207832198).

121200202000202 is a wasteful number, since it uses less digits than its factorization.

121200202000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309758138.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121200202000202 its reverse (202000202002121), we get a palindrome (323200404002323).

The spelling of 121200202000202 in words is "one hundred twenty-one trillion, two hundred billion, two hundred two million, two hundred two", and thus it is an aban number.