101211310012 has 6 divisors (see below), whose sum is σ = 177119792528. Its totient is φ = 50605655004.

The previous prime is 101211310003. The next prime is 101211310033. The reversal of 101211310012 is 210013112101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101211309974 and 101211310001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651413748 + ... + 12651413755.

Almost surely, 2^101211310012 is an apocalyptic number.

It is an amenable number.

101211310012 is a deficient number, since it is larger than the sum of its proper divisors (75908482516).

101211310012 is a wasteful number, since it uses less digits than its factorization.

101211310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25302827507 (or 25302827505 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101211310012 its reverse (210013112101), we get a palindrome (311224422113).

The spelling of 101211310012 in words is "one hundred one billion, two hundred eleven million, three hundred ten thousand, twelve".