30012312111100 has 72 divisors (see below), whose sum is σ = 71224504371216. Its totient is φ = 10886352000000.

The previous prime is 30012312111091. The next prime is 30012312111137. The reversal of 30012312111100 is 111121321003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33578751 + ... + 34460950.

It is an arithmetic number, because the mean of its divisors is an integer number (989229227378).

Almost surely, 2^{30012312111100} is an apocalyptic number.

It is an amenable number.

30012312111100 is an abundant number, since it is smaller than the sum of its proper divisors (41212192260116).

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

30012312111100 is a wasteful number, since it uses less digits than its factorization.

30012312111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68040127 (or 68040120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 30012312111100 its reverse (111121321003), we get a palindrome (30123433432103).

The spelling of 30012312111100 in words is "thirty trillion, twelve billion, three hundred twelve million, one hundred eleven thousand, one hundred".