20121011201010 has 32 divisors (see below), whose sum is σ = 48299773185792. Its totient is φ = 5364564508800.

The previous prime is 20121011200957. The next prime is 20121011201063. The reversal of 20121011201010 is 1010211012102.

It is an interprime number because it is at equal distance from previous prime (20121011200957) and next prime (20121011201063).

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, 64747291 + ... + 65057310.

It is an arithmetic number, because the mean of its divisors is an integer number (1509367912056).

Almost surely, 2^{20121011201010} is an apocalyptic number.

20121011201010 is an abundant number, since it is smaller than the sum of its proper divisors (28178761984782).

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

20121011201010 is a wasteful number, since it uses less digits than its factorization.

20121011201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129809778.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20121011201010 its reverse (1010211012102), we get a palindrome (21131222213112).

The spelling of 20121011201010 in words is "twenty trillion, one hundred twenty-one billion, eleven million, two hundred one thousand, ten".