2012020999990 has 16 divisors (see below), whose sum is σ = 3834675317952. Its totient is φ = 757466729344.

The previous prime is 2012020999969. The next prime is 2012020999991. The reversal of 2012020999990 is 999990202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020999991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5917708654 + ... + 5917708993.

It is an arithmetic number, because the mean of its divisors is an integer number (239667207372).

Almost surely, 2^{2012020999990} is an apocalyptic number.

2012020999990 is a deficient number, since it is larger than the sum of its proper divisors (1822654317962).

2012020999990 is a wasteful number, since it uses less digits than its factorization.

2012020999990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835417671.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 2012020999990 in words is "two trillion, twelve billion, twenty million, nine hundred ninety-nine thousand, nine hundred ninety".