121210230122 has 16 divisors (see below), whose sum is σ = 187327251720. Its totient is φ = 58793509632.

The previous prime is 121210230107. The next prime is 121210230131. The reversal of 121210230122 is 221032012121.

It can be written as a sum of positive squares in 4 ways, for example, as 113622252241 + 7587977881 = 337079^2 + 87109^2 .

It is a super-2 number, since 2×121210230122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121210230122.

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, 6414683 + ... + 6433550.

Almost surely, 2^121210230122 is an apocalyptic number.

121210230122 is a deficient number, since it is larger than the sum of its proper divisors (66117021598).

121210230122 is a wasteful number, since it uses less digits than its factorization.

121210230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848377.

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

Adding to 121210230122 its reverse (221032012121), we get a palindrome (342242242243).

The spelling of 121210230122 in words is "one hundred twenty-one billion, two hundred ten million, two hundred thirty thousand, one hundred twenty-two".