10101312212 has 24 divisors (see below), whose sum is σ = 18770812200. Its totient is φ = 4739927040.

The previous prime is 10101312167. The next prime is 10101312217. The reversal of 10101312212 is 21221310101.

It can be written as a sum of positive squares in 4 ways, for example, as 4625904196 + 5475408016 = 68014^2 + 73996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101312217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189089 + ... + 236552.

It is an arithmetic number, because the mean of its divisors is an integer number (782117175).

Almost surely, 2^10101312212 is an apocalyptic number.

It is an amenable number.

10101312212 is a deficient number, since it is larger than the sum of its proper divisors (8669499988).

10101312212 is a wasteful number, since it uses less digits than its factorization.

10101312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426011 (or 426009 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10101312212 its reverse (21221310101), we get a palindrome (31322622313).

The spelling of 10101312212 in words is "ten billion, one hundred one million, three hundred twelve thousand, two hundred twelve".