30021132000 has 96 divisors (see below), whose sum is σ = 98349267744. Its totient is φ = 8005632000.

The previous prime is 30021131993. The next prime is 30021132059. The reversal of 30021132000 is 23112003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×30021132000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 1238881 + ... + 1262880.

It is an arithmetic number, because the mean of its divisors is an integer number (1024471539).

Almost surely, 2^30021132000 is an apocalyptic number.

30021132000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30021132000 is an abundant number, since it is smaller than the sum of its proper divisors (68328135744).

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

30021132000 is a wasteful number, since it uses less digits than its factorization.

30021132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501789 (or 2501771 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30021132000 its reverse (23112003), we get a palindrome (30044244003).

The spelling of 30021132000 in words is "thirty billion, twenty-one million, one hundred thirty-two thousand".