102011220201012 has 12 divisors (see below), whose sum is σ = 238026180469056. Its totient is φ = 34003740067000.

The previous prime is 102011220200977. The next prime is 102011220201031. The reversal of 102011220201012 is 210102022110201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102011220200982 and 102011220201000.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4250467508364 + ... + 4250467508387.

It is an arithmetic number, because the mean of its divisors is an integer number (19835515039088).

Almost surely, 2^{102011220201012} is an apocalyptic number.

102011220201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102011220201012 is an abundant number, since it is smaller than the sum of its proper divisors (136014960268044).

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

102011220201012 is a wasteful number, since it uses less digits than its factorization.

102011220201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500935016758 (or 8500935016756 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102011220201012 its reverse (210102022110201), we get a palindrome (312113242311213).

The spelling of 102011220201012 in words is "one hundred two trillion, eleven billion, two hundred twenty million, two hundred one thousand, twelve".