20121232230030 has 64 divisors (see below), whose sum is σ = 48317696114688. Its totient is φ = 5362691577600.

The previous prime is 20121232230019. The next prime is 20121232230059. The reversal of 20121232230030 is 3003223212102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20121232229979 and 20121232230006.

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, 793943539 + ... + 793968881.

It is an arithmetic number, because the mean of its divisors is an integer number (754964001792).

Almost surely, 2^{20121232230030} is an apocalyptic number.

20121232230030 is an abundant number, since it is smaller than the sum of its proper divisors (28196463884658).

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

20121232230030 is a wasteful number, since it uses less digits than its factorization.

20121232230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38961.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20121232230030 its reverse (3003223212102), we get a palindrome (23124455442132).

The spelling of 20121232230030 in words is "twenty trillion, one hundred twenty-one billion, two hundred thirty-two million, two hundred thirty thousand, thirty".