1212476253 has 4 divisors (see below), whose sum is σ = 1616635008. Its totient is φ = 808317500.

The previous prime is 1212476233. The next prime is 1212476269. The reversal of 1212476253 is 3526742121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1212476253 - 2¹⁸ = 1212214109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212476233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202079373 + ... + 202079378.

It is an arithmetic number, because the mean of its divisors is an integer number (404158752).

Almost surely, 2^1212476253 is an apocalyptic number.

It is an amenable number.

1212476253 is a deficient number, since it is larger than the sum of its proper divisors (404158755).

1212476253 is an equidigital number, since it uses as much as digits as its factorization.

1212476253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404158754.

The product of its digits is 20160, while the sum is 33.

The square root of 1212476253 is about 34820.6297042429. The cubic root of 1212476253 is about 1066.3286562582.

The spelling of 1212476253 in words is "one billion, two hundred twelve million, four hundred seventy-six thousand, two hundred fifty-three".