30003002131220 has 24 divisors (see below), whose sum is σ = 63487268637408. Its totient is φ = 11909588631200.

The previous prime is 30003002131177. The next prime is 30003002131243. The reversal of 30003002131220 is 2213120030003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5725761146 + ... + 5725766385.

It is an arithmetic number, because the mean of its divisors is an integer number (2645302859892).

Almost surely, 2^{30003002131220} is an apocalyptic number.

It is an amenable number.

30003002131220 is an abundant number, since it is smaller than the sum of its proper divisors (33484266506188).

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

30003002131220 is a wasteful number, since it uses less digits than its factorization.

30003002131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451527671 (or 11451527669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30003002131220 its reverse (2213120030003), we get a palindrome (32216122161223).

The spelling of 30003002131220 in words is "thirty trillion, three billion, two million, one hundred thirty-one thousand, two hundred twenty".