2122131479 has 12 divisors (see below), whose sum is σ = 2299541400. Its totient is φ = 1957516704.

The previous prime is 2122131439. The next prime is 2122131481. The reversal of 2122131479 is 9741312212.

It is not a de Polignac number, because 2122131479 - 2¹² = 2122127383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122131419) 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, 298832 + ... + 305850.

It is an arithmetic number, because the mean of its divisors is an integer number (191628450).

Almost surely, 2^2122131479 is an apocalyptic number.

2122131479 is a deficient number, since it is larger than the sum of its proper divisors (177409921).

2122131479 is a wasteful number, since it uses less digits than its factorization.

2122131479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834 (or 8821 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2122131479 is about 46066.5983007211. The cubic root of 2122131479 is about 1285.0620426574.

The spelling of 2122131479 in words is "two billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred seventy-nine".