121116426120 has 160 divisors (see below), whose sum is σ = 407653646400. Its totient is φ = 32252660352.

The previous prime is 121116426107. The next prime is 121116426131. The reversal of 121116426120 is 21624611121.

121116426120 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 6 + 42 + 612 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2329771 + ... + 2381189.

It is an arithmetic number, because the mean of its divisors is an integer number (2547835290).

Almost surely, 2^121116426120 is an apocalyptic number.

121116426120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121116426120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203826823200).

121116426120 is an abundant number, since it is smaller than the sum of its proper divisors (286537220280).

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

121116426120 is a wasteful number, since it uses less digits than its factorization.

121116426120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52169 (or 52156 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 121116426120 in words is "one hundred twenty-one billion, one hundred sixteen million, four hundred twenty-six thousand, one hundred twenty".