30002120032 has 12 divisors (see below), whose sum is σ = 59066673876. Its totient is φ = 15001060000.

The previous prime is 30002120017. The next prime is 30002120051. The reversal of 30002120032 is 23002120003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30002119994 and 30002120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468783094 + ... + 468783157.

It is an arithmetic number, because the mean of its divisors is an integer number (4922222823).

Almost surely, 2^30002120032 is an apocalyptic number.

30002120032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30002120032 is a deficient number, since it is larger than the sum of its proper divisors (29064553844).

30002120032 is an equidigital number, since it uses as much as digits as its factorization.

30002120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937566261 (or 937566253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30002120032 its reverse (23002120003), we get a palindrome (53004240035).

The spelling of 30002120032 in words is "thirty billion, two million, one hundred twenty thousand, thirty-two".