100020011012 has 6 divisors (see below), whose sum is σ = 175035019278. Its totient is φ = 50010005504.

The previous prime is 100020011011. The next prime is 100020011023. The reversal of 100020011012 is 210110020001.

It can be written as a sum of positive squares in only one way, i.e., 75199899076 + 24820111936 = 274226^2 + 157544^2 .

It is not an unprimeable number, because it can be changed into a prime (100020011011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502501373 + ... + 12502501380.

It is an arithmetic number, because the mean of its divisors is an integer number (29172503213).

Almost surely, 2^100020011012 is an apocalyptic number.

It is an amenable number.

100020011012 is a deficient number, since it is larger than the sum of its proper divisors (75015008266).

100020011012 is a wasteful number, since it uses less digits than its factorization.

100020011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005002757 (or 25005002755 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100020011012 its reverse (210110020001), we get a palindrome (310130031013).

The spelling of 100020011012 in words is "one hundred billion, twenty million, eleven thousand, twelve".