30212311120000 has 80 divisors (see below), whose sum is σ = 75211660462950. Its totient is φ = 12084924416000.

The previous prime is 30212311119983. The next prime is 30212311120009. The reversal of 30212311120000 is 2111321203.

It can be written as a sum of positive squares in 5 ways, for example, as 3101628188736 + 27110682931264 = 1761144^2 + 5206792^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (30212311120009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 188746945 + ... + 188906944.

Almost surely, 2^{30212311120000} is an apocalyptic number.

It is an amenable number.

30212311120000 is an abundant number, since it is smaller than the sum of its proper divisors (44999349342950).

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

30212311120000 is an frugal number, since it uses more digits than its factorization.

30212311120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377653923 (or 377653896 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30212311120000 its reverse (2111321203), we get a palindrome (30214422441203).

The spelling of 30212311120000 in words is "thirty trillion, two hundred twelve billion, three hundred eleven million, one hundred twenty thousand".