6121812 has 24 divisors (see below), whose sum is σ = 14428512. Its totient is φ = 2020000.

The previous prime is 6121807. The next prime is 6121847. The reversal of 6121812 is 2181216.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314 + ... + 3737.

It is an arithmetic number, because the mean of its divisors is an integer number (601188).

Almost surely, 2^6121812 is an apocalyptic number.

It is an amenable number.

6121812 is an abundant number, since it is smaller than the sum of its proper divisors (8306700).

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

6121812 is a wasteful number, since it uses less digits than its factorization.

6121812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159 (or 5157 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 6121812 is about 2474.2295770603. The cubic root of 6121812 is about 182.9335361374.

The spelling of 6121812 in words is "six million, one hundred twenty-one thousand, eight hundred twelve".