121122413252 has 24 divisors (see below), whose sum is σ = 216989028480. Its totient is φ = 59139833760.

The previous prime is 121122413233. The next prime is 121122413261. The reversal of 121122413252 is 252314221121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751708 + ... + 1819539.

It is an arithmetic number, because the mean of its divisors is an integer number (9041209520).

Almost surely, 2^121122413252 is an apocalyptic number.

It is an amenable number.

121122413252 is a deficient number, since it is larger than the sum of its proper divisors (95866615228).

121122413252 is a wasteful number, since it uses less digits than its factorization.

121122413252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571451 (or 3571449 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

Adding to 121122413252 its reverse (252314221121), we get a palindrome (373436634373).

The spelling of 121122413252 in words is "one hundred twenty-one billion, one hundred twenty-two million, four hundred thirteen thousand, two hundred fifty-two".