12121001030 has 32 divisors (see below), whose sum is σ = 22263346368. Its totient is φ = 4750272000.

The previous prime is 12121001027. The next prime is 12121001063. The reversal of 12121001030 is 3010012121.

It is a super-2 number, since 2×12121001030² (a number of 21 digits) contains 22 as substring.

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, 55250 + ... + 165210.

It is an arithmetic number, because the mean of its divisors is an integer number (695729574).

Almost surely, 2^12121001030 is an apocalyptic number.

12121001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121001030 is a deficient number, since it is larger than the sum of its proper divisors (10142345338).

12121001030 is a wasteful number, since it uses less digits than its factorization.

12121001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110192.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12121001030 its reverse (3010012121), we get a palindrome (15131013151).

The spelling of 12121001030 in words is "twelve billion, one hundred twenty-one million, one thousand, thirty".