2612066121 has 24 divisors (see below), whose sum is σ = 4315756224. Its totient is φ = 1491302880.

The previous prime is 2612066117. The next prime is 2612066137. The reversal of 2612066121 is 1216602162.

2612066121 is a `hidden beast` number, since 26 + 1 + 20 + 6 + 612 + 1 = 666.

It is not a de Polignac number, because 2612066121 - 2² = 2612066117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2612066111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56850 + ... + 91956.

It is an arithmetic number, because the mean of its divisors is an integer number (179823176).

Almost surely, 2^2612066121 is an apocalyptic number.

2612066121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2612066121 is a deficient number, since it is larger than the sum of its proper divisors (1703690103).

2612066121 is a wasteful number, since it uses less digits than its factorization.

2612066121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36301 (or 36298 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2612066121 is about 51108.3762312989. The cubic root of 2612066121 is about 1377.1927320599.

Adding to 2612066121 its reverse (1216602162), we get a palindrome (3828668283).

The spelling of 2612066121 in words is "two billion, six hundred twelve million, sixty-six thousand, one hundred twenty-one".