121302656252 has 12 divisors (see below), whose sum is σ = 217457201136. Its totient is φ = 59172027360.

The previous prime is 121302656243. The next prime is 121302656281. The reversal of 121302656252 is 252656203121.

121302656252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 369825008 + ... + 369825335.

It is an arithmetic number, because the mean of its divisors is an integer number (18121433428).

Almost surely, 2^121302656252 is an apocalyptic number.

It is an amenable number.

121302656252 is a deficient number, since it is larger than the sum of its proper divisors (96154544884).

121302656252 is a wasteful number, since it uses less digits than its factorization.

121302656252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739650388 (or 739650386 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 121302656252 its reverse (252656203121), we get a palindrome (373958859373).

The spelling of 121302656252 in words is "one hundred twenty-one billion, three hundred two million, six hundred fifty-six thousand, two hundred fifty-two".