121346948220 has 96 divisors (see below), whose sum is σ = 341645767680. Its totient is φ = 32180924160.

The previous prime is 121346948189. The next prime is 121346948257. The reversal of 121346948220 is 22849643121.

It is a happy number.

It is a super-2 number, since 2×121346948220² (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 31 ways as a sum of consecutive naturals, for example, 21126669 + ... + 21132411.

It is an arithmetic number, because the mean of its divisors is an integer number (3558810080).

Almost surely, 2^121346948220 is an apocalyptic number.

121346948220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121346948220 is an abundant number, since it is smaller than the sum of its proper divisors (220298819460).

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

121346948220 is a wasteful number, since it uses less digits than its factorization.

121346948220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 121346948220 in words is "one hundred twenty-one billion, three hundred forty-six million, nine hundred forty-eight thousand, two hundred twenty".