1213313020212 has 96 divisors (see below), whose sum is σ = 2871838569600. Its totient is φ = 398659622400.

The previous prime is 1213313020201. The next prime is 1213313020237. The reversal of 1213313020212 is 2120203133121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304162714 + ... + 304166702.

It is an arithmetic number, because the mean of its divisors is an integer number (29914985100).

Almost surely, 2^{1213313020212} is an apocalyptic number.

1213313020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213313020212 is an abundant number, since it is smaller than the sum of its proper divisors (1658525549388).

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

1213313020212 is a wasteful number, since it uses less digits than its factorization.

1213313020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213313020212 its reverse (2120203133121), we get a palindrome (3333516153333).

The spelling of 1213313020212 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, twenty thousand, two hundred twelve".