1012201012100 has 36 divisors (see below), whose sum is σ = 2203112148048. Its totient is φ = 403657188000.

The previous prime is 1012201012091. The next prime is 1012201012127. The reversal of 1012201012100 is 12101022101.

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 11 ways as a sum of consecutive naturals, for example, 15256946 + ... + 15323145.

It is an arithmetic number, because the mean of its divisors is an integer number (61197559668).

Almost surely, 2^{1012201012100} is an apocalyptic number.

1012201012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201012100 is an abundant number, since it is smaller than the sum of its proper divisors (1190911135948).

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

1012201012100 is a wasteful number, since it uses less digits than its factorization.

1012201012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30580436 (or 30580429 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012201012100 its reverse (12101022101), we get a palindrome (1024302034201).

The spelling of 1012201012100 in words is "one trillion, twelve billion, two hundred one million, twelve thousand, one hundred".