20120210011986 has 32 divisors (see below), whose sum is σ = 46281975365760. Its totient is φ = 5712015943296.

The previous prime is 20120210011969. The next prime is 20120210012003. The reversal of 20120210011986 is 68911001202102.

It is an interprime number because it is at equal distance from previous prime (20120210011969) and next prime (20120210012003).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525638691 + ... + 1525651878.

It is an arithmetic number, because the mean of its divisors is an integer number (1446311730180).

Almost surely, 2^{20120210011986} is an apocalyptic number.

20120210011986 is an abundant number, since it is smaller than the sum of its proper divisors (26161765353774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120210011986 is a wasteful number, since it uses less digits than its factorization.

20120210011986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051290738.

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 20120210011986 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, eleven thousand, nine hundred eighty-six".