121634332152 has 64 divisors (see below), whose sum is σ = 318436565760. Its totient is φ = 38643897600.

The previous prime is 121634332081. The next prime is 121634332201. The reversal of 121634332152 is 251233436121.

It is a super-2 number, since 2×121634332152² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236974 + ... + 547197.

It is an arithmetic number, because the mean of its divisors is an integer number (4975571340).

Almost surely, 2^121634332152 is an apocalyptic number.

121634332152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121634332152 is an abundant number, since it is smaller than the sum of its proper divisors (196802233608).

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

121634332152 is a wasteful number, since it uses less digits than its factorization.

121634332152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784484 (or 784480 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

Adding to 121634332152 its reverse (251233436121), we get a palindrome (372867768273).

The spelling of 121634332152 in words is "one hundred twenty-one billion, six hundred thirty-four million, three hundred thirty-two thousand, one hundred fifty-two".