101220200012 has 24 divisors (see below), whose sum is σ = 186890941440. Its totient is φ = 47835150480.

The previous prime is 101220199973. The next prime is 101220200017. The reversal of 101220200012 is 210002022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101220199966 and 101220200002.

It is not an unprimeable number, because it can be changed into a prime (101220200017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512308 + ... + 1577819.

It is an arithmetic number, because the mean of its divisors is an integer number (7787122560).

Almost surely, 2^101220200012 is an apocalyptic number.

It is an amenable number.

101220200012 is a deficient number, since it is larger than the sum of its proper divisors (85670741428).

101220200012 is a wasteful number, since it uses less digits than its factorization.

101220200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090581 (or 3090579 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101220200012 its reverse (210002022101), we get a palindrome (311222222113).

The spelling of 101220200012 in words is "one hundred one billion, two hundred twenty million, two hundred thousand, twelve".