30102120032 has 12 divisors (see below), whose sum is σ = 59263548876. Its totient is φ = 15051060000.

The previous prime is 30102120019. The next prime is 30102120047. The reversal of 30102120032 is 23002120103.

It is a happy number.

It is a super-2 number, since 2×30102120032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102119989 and 30102120016.

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, 470345594 + ... + 470345657.

It is an arithmetic number, because the mean of its divisors is an integer number (4938629073).

Almost surely, 2^30102120032 is an apocalyptic number.

30102120032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30102120032 is a deficient number, since it is larger than the sum of its proper divisors (29161428844).

30102120032 is an equidigital number, since it uses as much as digits as its factorization.

30102120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940691261 (or 940691253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30102120032 its reverse (23002120103), we get a palindrome (53104240135).

The spelling of 30102120032 in words is "thirty billion, one hundred two million, one hundred twenty thousand, thirty-two".