101213140212 has 36 divisors (see below), whose sum is σ = 262759041636. Its totient is φ = 32825882880.

The previous prime is 101213140211. The next prime is 101213140253. The reversal of 101213140212 is 212041312101.

101213140212 is a `hidden beast` number, since 101 + 213 + 140 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73578732516 + 27634407696 = 271254^2 + 166236^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213140211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37991589 + ... + 37994252.

Almost surely, 2^101213140212 is an apocalyptic number.

101213140212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101213140212 is an abundant number, since it is smaller than the sum of its proper divisors (161545901424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101213140212 is a wasteful number, since it uses less digits than its factorization.

101213140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75985888 (or 75985883 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101213140212 its reverse (212041312101), we get a palindrome (313254452313).

The spelling of 101213140212 in words is "one hundred one billion, two hundred thirteen million, one hundred forty thousand, two hundred twelve".