121264812 has 36 divisors (see below), whose sum is σ = 309405096. Its totient is φ = 40042560.

The previous prime is 121264811. The next prime is 121264813. The reversal of 121264812 is 218462121.

121264812 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 648 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (121264811) and next prime (121264813).

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (121264811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11889 + ... + 19592.

It is an arithmetic number, because the mean of its divisors is an integer number (8594586).

Almost surely, 2^121264812 is an apocalyptic number.

121264812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121264812 is an abundant number, since it is smaller than the sum of its proper divisors (188140284).

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

121264812 is a wasteful number, since it uses less digits than its factorization.

121264812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31598 (or 31593 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 121264812 is about 11012.0303305067. The cubic root of 121264812 is about 494.9693032694.

The spelling of 121264812 in words is "one hundred twenty-one million, two hundred sixty-four thousand, eight hundred twelve".