12121030353 has 16 divisors (see below), whose sum is σ = 16276881600. Its totient is φ = 8022980544.

The previous prime is 12121030351. The next prime is 12121030393. The reversal of 12121030353 is 35303012121.

It is not a de Polignac number, because 12121030353 - 2¹ = 12121030351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121030351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409575 + ... + 1418147.

It is an arithmetic number, because the mean of its divisors is an integer number (1017305100).

Almost surely, 2^12121030353 is an apocalyptic number.

It is an amenable number.

12121030353 is a deficient number, since it is larger than the sum of its proper divisors (4155851247).

12121030353 is a wasteful number, since it uses less digits than its factorization.

12121030353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 12121030353 its reverse (35303012121), we get a palindrome (47424042474).

The spelling of 12121030353 in words is "twelve billion, one hundred twenty-one million, thirty thousand, three hundred fifty-three".