101213013212 has 12 divisors (see below), whose sum is σ = 178112287080. Its totient is φ = 50323788336.

The previous prime is 101213013211. The next prime is 101213013227. The reversal of 101213013212 is 212310312101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213013211) 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, 70678763 + ... + 70680194.

It is an arithmetic number, because the mean of its divisors is an integer number (14842690590).

Almost surely, 2^101213013212 is an apocalyptic number.

It is an amenable number.

101213013212 is a deficient number, since it is larger than the sum of its proper divisors (76899273868).

101213013212 is a wasteful number, since it uses less digits than its factorization.

101213013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141359140 (or 141359138 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101213013212 its reverse (212310312101), we get a palindrome (313523325313).

The spelling of 101213013212 in words is "one hundred one billion, two hundred thirteen million, thirteen thousand, two hundred twelve".