30012133313112 has 128 divisors (see below), whose sum is σ = 81713687328000. Its totient is φ = 9149476815360.

The previous prime is 30012133313087. The next prime is 30012133313119. The reversal of 30012133313112 is 21131333121003.

It is a super-2 number, since 2×30012133313112² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012133313119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100922562 + ... + 101219502.

It is an arithmetic number, because the mean of its divisors is an integer number (638388182250).

Almost surely, 2^{30012133313112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30012133313112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40856843664000).

30012133313112 is an abundant number, since it is smaller than the sum of its proper divisors (51701554014888).

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

30012133313112 is a wasteful number, since it uses less digits than its factorization.

30012133313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304641 (or 304637 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 30012133313112 its reverse (21131333121003), we get a palindrome (51143466434115).

The spelling of 30012133313112 in words is "thirty trillion, twelve billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred twelve".