121132213122120 has 128 divisors (see below), whose sum is σ = 375952020796800. Its totient is φ = 31186034561024.

The previous prime is 121132213122119. The next prime is 121132213122181. The reversal of 121132213122120 is 21221312231121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52721239 + ... + 54970841.

It is an arithmetic number, because the mean of its divisors is an integer number (2937125162475).

Almost surely, 2^{121132213122120} is an apocalyptic number.

121132213122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121132213122120 is an abundant number, since it is smaller than the sum of its proper divisors (254819807674680).

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

121132213122120 is a wasteful number, since it uses less digits than its factorization.

121132213122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265119 (or 2265115 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 121132213122120 its reverse (21221312231121), we get a palindrome (142353525353241).

The spelling of 121132213122120 in words is "one hundred twenty-one trillion, one hundred thirty-two billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred twenty".