121340344252 has 24 divisors (see below), whose sum is σ = 223548650640. Its totient is φ = 57470071680.

The previous prime is 121340344249. The next prime is 121340344261. The reversal of 121340344252 is 252443043121.

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 7 ways as a sum of consecutive naturals, for example, 567798 + ... + 751714.

It is an arithmetic number, because the mean of its divisors is an integer number (9314527110).

Almost surely, 2^121340344252 is an apocalyptic number.

It is an amenable number.

121340344252 is a deficient number, since it is larger than the sum of its proper divisors (102208306388).

121340344252 is a wasteful number, since it uses less digits than its factorization.

121340344252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192621 (or 192619 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 121340344252 its reverse (252443043121), we get a palindrome (373783387373).

The spelling of 121340344252 in words is "one hundred twenty-one billion, three hundred forty million, three hundred forty-four thousand, two hundred fifty-two".