12053203451 has 16 divisors (see below), whose sum is σ = 12990700800. Its totient is φ = 11146349088.

The previous prime is 12053203433. The next prime is 12053203469. The reversal of 12053203451 is 15430235021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12053203433) and next prime (12053203469).

It is not a de Polignac number, because 12053203451 - 2²⁶ = 11986094587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12053203451.

It is not an unprimeable number, because it can be changed into a prime (12053208451) 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, 1701545 + ... + 1708613.

It is an arithmetic number, because the mean of its divisors is an integer number (811918800).

Almost surely, 2^12053203451 is an apocalyptic number.

12053203451 is a deficient number, since it is larger than the sum of its proper divisors (937497349).

12053203451 is a wasteful number, since it uses less digits than its factorization.

12053203451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12053203451 its reverse (15430235021), we get a palindrome (27483438472).

The spelling of 12053203451 in words is "twelve billion, fifty-three million, two hundred three thousand, four hundred fifty-one".