101212221202012 has 12 divisors (see below), whose sum is σ = 177121457861040. Its totient is φ = 50606090384576.

The previous prime is 101212221201991. The next prime is 101212221202051. The reversal of 101212221202012 is 210202122212101.

It is a super-2 number, since 2×101212221202012² (a number of 29 digits) contains 22 as substring.

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, 15480468 + ... + 21025444.

It is an arithmetic number, because the mean of its divisors is an integer number (14760121488420).

Almost surely, 2^{101212221202012} is an apocalyptic number.

It is an amenable number.

101212221202012 is a deficient number, since it is larger than the sum of its proper divisors (75909236659028).

101212221202012 is a wasteful number, since it uses less digits than its factorization.

101212221202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108220 (or 10108218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101212221202012 its reverse (210202122212101), we get a palindrome (311414343414113).

The spelling of 101212221202012 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-one million, two hundred two thousand, twelve".