10122011012 has 12 divisors (see below), whose sum is σ = 17777468940. Its totient is φ = 5042734176.

The previous prime is 10122010993. The next prime is 10122011041. The reversal of 10122011012 is 21011022101.

It can be written as a sum of positive squares in 2 ways, for example, as 4758792256 + 5363218756 = 68984^2 + 73234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10122010984 and 10122011002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566587 + ... + 4568802.

It is an arithmetic number, because the mean of its divisors is an integer number (1481455745).

Almost surely, 2^10122011012 is an apocalyptic number.

It is an amenable number.

10122011012 is a deficient number, since it is larger than the sum of its proper divisors (7655457928).

10122011012 is a wasteful number, since it uses less digits than its factorization.

10122011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135670 (or 9135668 counting only the distinct ones).

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

Adding to 10122011012 its reverse (21011022101), we get a palindrome (31133033113).

The spelling of 10122011012 in words is "ten billion, one hundred twenty-two million, eleven thousand, twelve".