2051213512 has 16 divisors (see below), whose sum is σ = 3894710400. Its totient is φ = 1012624080.

The previous prime is 2051213503. The next prime is 2051213513. The reversal of 2051213512 is 2153121502.

It is a super-2 number, since 2×2051213512² = 8414953743622748288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2051213513) 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, 1622164 + ... + 1623427.

It is an arithmetic number, because the mean of its divisors is an integer number (243419400).

Almost surely, 2^2051213512 is an apocalyptic number.

It is an amenable number.

2051213512 is a deficient number, since it is larger than the sum of its proper divisors (1843496888).

2051213512 is a wasteful number, since it uses less digits than its factorization.

2051213512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245676 (or 3245672 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2051213512 is about 45290.3247062769. The cubic root of 2051213512 is about 1270.5847044124.

The spelling of 2051213512 in words is "two billion, fifty-one million, two hundred thirteen thousand, five hundred twelve".