121334430252 has 24 divisors (see below), whose sum is σ = 323558480896. Its totient is φ = 34666980048.

The previous prime is 121334430251. The next prime is 121334430263. The reversal of 121334430252 is 252034433121.

It is not an unprimeable number, because it can be changed into a prime (121334430251) 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, 722228668 + ... + 722228835.

Almost surely, 2^121334430252 is an apocalyptic number.

121334430252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121334430252 is an abundant number, since it is smaller than the sum of its proper divisors (202224050644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121334430252 is a wasteful number, since it uses less digits than its factorization.

121334430252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444457517 (or 1444457515 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 121334430252 its reverse (252034433121), we get a palindrome (373368863373).

The spelling of 121334430252 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred thirty thousand, two hundred fifty-two".