121762660252 has 12 divisors (see below), whose sum is σ = 217105121016. Its totient is φ = 59732625680.

The previous prime is 121762660247. The next prime is 121762660289. The reversal of 121762660252 is 252066267121.

It is a super-2 number, since 2×121762660252² (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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287175874 + ... + 287176297.

It is an arithmetic number, because the mean of its divisors is an integer number (18092093418).

Almost surely, 2^121762660252 is an apocalyptic number.

It is an amenable number.

121762660252 is a deficient number, since it is larger than the sum of its proper divisors (95342460764).

121762660252 is a wasteful number, since it uses less digits than its factorization.

121762660252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574352228 (or 574352226 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 121762660252 in words is "one hundred twenty-one billion, seven hundred sixty-two million, six hundred sixty thousand, two hundred fifty-two".