30023122000 has 160 divisors (see below), whose sum is σ = 78321263904. Its totient is φ = 11088896000.

The previous prime is 30023121979. The next prime is 30023122027. The reversal of 30023122000 is 22132003.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 13686192144 + 16336929856 = 116988^2 + 127816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1793670 + ... + 1810330.

Almost surely, 2^30023122000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39160631952).

30023122000 is an abundant number, since it is smaller than the sum of its proper divisors (48298141904).

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

30023122000 is a wasteful number, since it uses less digits than its factorization.

30023122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16754 (or 16738 counting only the distinct ones).

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

Adding to 30023122000 its reverse (22132003), we get a palindrome (30045254003).

The spelling of 30023122000 in words is "thirty billion, twenty-three million, one hundred twenty-two thousand".