72202201212 has 48 divisors (see below), whose sum is σ = 168889996800. Its totient is φ = 24007724160.

The previous prime is 72202201187. The next prime is 72202201213. The reversal of 72202201212 is 21210220227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72202201213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12362589 + ... + 12368427.

It is an arithmetic number, because the mean of its divisors is an integer number (3518541600).

Almost surely, 2^72202201212 is an apocalyptic number.

It is an amenable number.

72202201212 is an abundant number, since it is smaller than the sum of its proper divisors (96687795588).

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

72202201212 is a wasteful number, since it uses less digits than its factorization.

72202201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 72202201212 its reverse (21210220227), we get a palindrome (93412421439).

The spelling of 72202201212 in words is "seventy-two billion, two hundred two million, two hundred one thousand, two hundred twelve".