121010430252 has 12 divisors (see below), whose sum is σ = 282357670616. Its totient is φ = 40336810080.

The previous prime is 121010430239. The next prime is 121010430287. The reversal of 121010430252 is 252034010121.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042101249 + ... + 5042101272.

Almost surely, 2^121010430252 is an apocalyptic number.

121010430252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121010430252 is an abundant number, since it is smaller than the sum of its proper divisors (161347240364).

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

121010430252 is a wasteful number, since it uses less digits than its factorization.

121010430252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084202528 (or 10084202526 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 121010430252 its reverse (252034010121), we get a palindrome (373044440373).

The spelling of 121010430252 in words is "one hundred twenty-one billion, ten million, four hundred thirty thousand, two hundred fifty-two".