30102311223012 has 48 divisors (see below), whose sum is σ = 83040858552960. Its totient is φ = 8304085853952.

The previous prime is 30102311222981. The next prime is 30102311223091. The reversal of 30102311223012 is 21032211320103.

It is a super-2 number, since 2×30102311223012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30102311223012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6178632873 + ... + 6178637744.

It is an arithmetic number, because the mean of its divisors is an integer number (1730017886520).

Almost surely, 2^{30102311223012} is an apocalyptic number.

It is an amenable number.

30102311223012 is an abundant number, since it is smaller than the sum of its proper divisors (52938547329948).

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

30102311223012 is a wasteful number, since it uses less digits than its factorization.

30102311223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357270660 (or 12357270658 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30102311223012 its reverse (21032211320103), we get a palindrome (51134522543115).

The spelling of 30102311223012 in words is "thirty trillion, one hundred two billion, three hundred eleven million, two hundred twenty-three thousand, twelve".