12121032112030 has 16 divisors (see below), whose sum is σ = 21888925747920. Its totient is φ = 4832619967872.

The previous prime is 12121032111961. The next prime is 12121032112061. The reversal of 12121032112030 is 3021123012121.

It is a junction number, because it is equal to n+sod(n) for n = 12121032111989 and 12121032112007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974106395 + ... + 1974112534.

It is an arithmetic number, because the mean of its divisors is an integer number (1368057859245).

Almost surely, 2^{12121032112030} is an apocalyptic number.

12121032112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121032112030 is a deficient number, since it is larger than the sum of its proper divisors (9767893635890).

12121032112030 is a wasteful number, since it uses less digits than its factorization.

12121032112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948219243.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12121032112030 its reverse (3021123012121), we get a palindrome (15142155124151).

Subtracting from 12121032112030 its reverse (3021123012121), we obtain a palindrome (9099909099909).

The spelling of 12121032112030 in words is "twelve trillion, one hundred twenty-one billion, thirty-two million, one hundred twelve thousand, thirty".