30622634236212 has 48 divisors (see below), whose sum is σ = 71666891577792. Its totient is φ = 10176987635200.

The previous prime is 30622634236211. The next prime is 30622634236219. The reversal of 30622634236212 is 21263243622603.

It is a super-2 number, since 2×30622634236212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30622634236211) 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, 8016223 + ... + 11202905.

It is an arithmetic number, because the mean of its divisors is an integer number (1493060241204).

Almost surely, 2^{30622634236212} is an apocalyptic number.

It is an amenable number.

30622634236212 is an abundant number, since it is smaller than the sum of its proper divisors (41044257341580).

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

30622634236212 is a wasteful number, since it uses less digits than its factorization.

30622634236212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189088 (or 3189086 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 30622634236212 its reverse (21263243622603), we get a palindrome (51885877858815).

The spelling of 30622634236212 in words is "thirty trillion, six hundred twenty-two billion, six hundred thirty-four million, two hundred thirty-six thousand, two hundred twelve".