121024424252 has 48 divisors (see below), whose sum is σ = 217827187200. Its totient is φ = 58814004480.

The previous prime is 121024424233. The next prime is 121024424267. The reversal of 121024424252 is 252424420121.

It is a super-2 number, since 2×121024424252² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11168477 + ... + 11179307.

It is an arithmetic number, because the mean of its divisors is an integer number (4538066400).

Almost surely, 2^121024424252 is an apocalyptic number.

It is an amenable number.

121024424252 is a deficient number, since it is larger than the sum of its proper divisors (96802762948).

121024424252 is a wasteful number, since it uses less digits than its factorization.

121024424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11426 (or 11424 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 121024424252 its reverse (252424420121), we get a palindrome (373448844373).

The spelling of 121024424252 in words is "one hundred twenty-one billion, twenty-four million, four hundred twenty-four thousand, two hundred fifty-two".