121210002202 has 16 divisors (see below), whose sum is σ = 181970909640. Its totient is φ = 60553058368.

The previous prime is 121210002191. The next prime is 121210002209. The reversal of 121210002202 is 202200012121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71765587881 + 49444414321 = 267891^2 + 222361^2 .

It is not an unprimeable number, because it can be changed into a prime (121210002209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19184748 + ... + 19191064.

Almost surely, 2^121210002202 is an apocalyptic number.

121210002202 is a deficient number, since it is larger than the sum of its proper divisors (60760907438).

121210002202 is a wasteful number, since it uses less digits than its factorization.

121210002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121210002202 its reverse (202200012121), we get a palindrome (323410014323).

The spelling of 121210002202 in words is "one hundred twenty-one billion, two hundred ten million, two thousand, two hundred two".