2051212630 has 16 divisors (see below), whose sum is σ = 3819499920. Its totient is φ = 792192352.

The previous prime is 2051212613. The next prime is 2051212651. The reversal of 2051212630 is 362121502.

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, 3536284 + ... + 3536863.

It is an arithmetic number, because the mean of its divisors is an integer number (238718745).

Almost surely, 2^2051212630 is an apocalyptic number.

2051212630 is a deficient number, since it is larger than the sum of its proper divisors (1768287290).

2051212630 is a wasteful number, since it uses less digits than its factorization.

2051212630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073183.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2051212630 is about 45290.3149690969. The cubic root of 2051212630 is about 1270.5845222997.

The spelling of 2051212630 in words is "two billion, fifty-one million, two hundred twelve thousand, six hundred thirty".