101121201212 has 12 divisors (see below), whose sum is σ = 178714202856. Its totient is φ = 50060000400.

The previous prime is 101121201211. The next prime is 101121201239. The reversal of 101121201212 is 212102121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121201211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125149598 + ... + 125150405.

It is an arithmetic number, because the mean of its divisors is an integer number (14892850238).

Almost surely, 2^101121201212 is an apocalyptic number.

It is an amenable number.

101121201212 is a deficient number, since it is larger than the sum of its proper divisors (77593001644).

101121201212 is a wasteful number, since it uses less digits than its factorization.

101121201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250300108 (or 250300106 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101121201212 its reverse (212102121101), we get a palindrome (313223322313).

The spelling of 101121201212 in words is "one hundred one billion, one hundred twenty-one million, two hundred one thousand, two hundred twelve".