101112122012 has 18 divisors (see below), whose sum is σ = 194494599264. Its totient is φ = 45960055240.

The previous prime is 101112121987. The next prime is 101112122017. The reversal of 101112122012 is 210221211101.

It is a super-2 number, since 2×101112122012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112122017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104454188 + ... + 104455155.

Almost surely, 2^101112122012 is an apocalyptic number.

It is an amenable number.

101112122012 is a deficient number, since it is larger than the sum of its proper divisors (93382477252).

101112122012 is a wasteful number, since it uses less digits than its factorization.

101112122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208909369 (or 208909356 counting only the distinct ones).

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

Adding to 101112122012 its reverse (210221211101), we get a palindrome (311333333113).

The spelling of 101112122012 in words is "one hundred one billion, one hundred twelve million, one hundred twenty-two thousand, twelve".