201213223012 has 24 divisors (see below), whose sum is σ = 353386817280. Its totient is φ = 100245971040.

The previous prime is 201213222949. The next prime is 201213223073. The reversal of 201213223012 is 210322312102.

It is a super-2 number, since 2×201213223012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946962 + ... + 2047702.

It is an arithmetic number, because the mean of its divisors is an integer number (14724450720).

Almost surely, 2^201213223012 is an apocalyptic number.

It is an amenable number.

201213223012 is a deficient number, since it is larger than the sum of its proper divisors (152173594268).

201213223012 is a wasteful number, since it uses less digits than its factorization.

201213223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102531 (or 102529 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201213223012 its reverse (210322312102), we get a palindrome (411535535114).

The spelling of 201213223012 in words is "two hundred one billion, two hundred thirteen million, two hundred twenty-three thousand, twelve".