101131001212 has 12 divisors (see below), whose sum is σ = 176994248760. Its totient is φ = 50561215856.

The previous prime is 101131001171. The next prime is 101131001227. The reversal of 101131001212 is 212100131101.

It is a happy number.

It is a super-2 number, since 2×101131001212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101131001192 and 101131001201.

It is a congruent number.

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, 1017787 + ... + 1112722.

It is an arithmetic number, because the mean of its divisors is an integer number (14749520730).

Almost surely, 2^101131001212 is an apocalyptic number.

It is an amenable number.

101131001212 is a deficient number, since it is larger than the sum of its proper divisors (75863247548).

101131001212 is a wasteful number, since it uses less digits than its factorization.

101131001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142380 (or 2142378 counting only the distinct ones).

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

Adding to 101131001212 its reverse (212100131101), we get a palindrome (313231132313).

The spelling of 101131001212 in words is "one hundred one billion, one hundred thirty-one million, one thousand, two hundred twelve".