1988712838202 has 32 divisors (see below), whose sum is σ = 3127022150400. Its totient is φ = 946769839488.

The previous prime is 1988712838183. The next prime is 1988712838219. The reversal of 1988712838202 is 2028382178891.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57698558 + ... + 57733014.

It is an arithmetic number, because the mean of its divisors is an integer number (97719442200).

Almost surely, 2^{1988712838202} is an apocalyptic number.

1988712838202 is a deficient number, since it is larger than the sum of its proper divisors (1138309312198).

1988712838202 is a wasteful number, since it uses less digits than its factorization.

1988712838202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40190.

The product of its (nonzero) digits is 6193152, while the sum is 59.

The spelling of 1988712838202 in words is "one trillion, nine hundred eighty-eight billion, seven hundred twelve million, eight hundred thirty-eight thousand, two hundred two".