30011311210212 has 72 divisors (see below), whose sum is σ = 76001148863640. Its totient is φ = 9985427189760.

The previous prime is 30011311210211. The next prime is 30011311210219. The reversal of 30011311210212 is 21201211311003.

30011311210212 is a `hidden beast` number, since 300 + 1 + 1 + 31 + 121 + 0 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 661203164736 + 29350108045476 = 813144^2 + 5417574^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30011311210211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45118864 + ... + 45779192.

It is an arithmetic number, because the mean of its divisors is an integer number (1055571511995).

Almost surely, 2^{30011311210212} is an apocalyptic number.

It is an amenable number.

30011311210212 is an abundant number, since it is smaller than the sum of its proper divisors (45989837653428).

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

30011311210212 is a wasteful number, since it uses less digits than its factorization.

30011311210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662653 (or 662648 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 30011311210212 its reverse (21201211311003), we get a palindrome (51212522521215).

The spelling of 30011311210212 in words is "thirty trillion, eleven billion, three hundred eleven million, two hundred ten thousand, two hundred twelve".