121467990312 has 128 divisors (see below), whose sum is σ = 345468288000. Its totient is φ = 39523619520.

The previous prime is 121467990253. The next prime is 121467990353. The reversal of 121467990312 is 213099764121.

121467990312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121467990312² (a number of 23 digits) contains 22 as substring.

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, 21461739 + ... + 21467397.

It is an arithmetic number, because the mean of its divisors is an integer number (2698971000).

Almost surely, 2^121467990312 is an apocalyptic number.

121467990312 is a gapful number since it is divisible by the number (12) 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 121467990312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172734144000).

121467990312 is an abundant number, since it is smaller than the sum of its proper divisors (224000297688).

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

121467990312 is a wasteful number, since it uses less digits than its factorization.

121467990312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 121467990312 in words is "one hundred twenty-one billion, four hundred sixty-seven million, nine hundred ninety thousand, three hundred twelve".