12121567260 has 48 divisors (see below), whose sum is σ = 37025880192. Its totient is φ = 2938561600.

The previous prime is 12121567243. The next prime is 12121567277. The reversal of 12121567260 is 6276512121.

It is an interprime number because it is at equal distance from previous prime (12121567243) and next prime (12121567277).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9182346 + ... + 9183665.

It is an arithmetic number, because the mean of its divisors is an integer number (771372504).

Almost surely, 2^12121567260 is an apocalyptic number.

12121567260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121567260 is an abundant number, since it is smaller than the sum of its proper divisors (24904312932).

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

12121567260 is a wasteful number, since it uses less digits than its factorization.

12121567260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366034 (or 18366032 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 12121567260 in words is "twelve billion, one hundred twenty-one million, five hundred sixty-seven thousand, two hundred sixty".