2159046012 has 12 divisors (see below), whose sum is σ = 5037774056. Its totient is φ = 719682000.

The previous prime is 2159045983. The next prime is 2159046013. The reversal of 2159046012 is 2106409512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2159046012² = 9322959363866208288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159046013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89960239 + ... + 89960262.

Almost surely, 2^2159046012 is an apocalyptic number.

It is an amenable number.

2159046012 is an abundant number, since it is smaller than the sum of its proper divisors (2878728044).

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

2159046012 is a wasteful number, since it uses less digits than its factorization.

2159046012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179920508 (or 179920506 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2159046012 is about 46465.5357442481. The cubic root of 2159046012 is about 1292.4704799915.

The spelling of 2159046012 in words is "two billion, one hundred fifty-nine million, forty-six thousand, twelve".