2102020012 has 24 divisors (see below), whose sum is σ = 3901171680. Its totient is φ = 987598080.

The previous prime is 2102020003. The next prime is 2102020073. The reversal of 2102020012 is 2100202012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18414 + ... + 67402.

It is an arithmetic number, because the mean of its divisors is an integer number (162548820).

Almost surely, 2^2102020012 is an apocalyptic number.

It is an amenable number.

2102020012 is a deficient number, since it is larger than the sum of its proper divisors (1799151668).

2102020012 is a wasteful number, since it uses less digits than its factorization.

2102020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49641 (or 49639 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2102020012 is about 45847.7917897907. The cubic root of 2102020012 is about 1280.9896342422.

Adding to 2102020012 its reverse (2100202012), we get a palindrome (4202222024).

The spelling of 2102020012 in words is "two billion, one hundred two million, twenty thousand, twelve".