1213011295 has 16 divisors (see below), whose sum is σ = 1490734080. Its totient is φ = 947034144.

The previous prime is 1213011277. The next prime is 1213011301. The reversal of 1213011295 is 5921103121.

It is a cyclic number.

It is not a de Polignac number, because 1213011295 - 2⁵ = 1213011263 is a prime.

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, 437002 + ... + 439768.

It is an arithmetic number, because the mean of its divisors is an integer number (93170880).

Almost surely, 2^1213011295 is an apocalyptic number.

1213011295 is a deficient number, since it is larger than the sum of its proper divisors (277722785).

1213011295 is a wasteful number, since it uses less digits than its factorization.

1213011295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1213011295 is about 34828.3116874763. The cubic root of 1213011295 is about 1066.4854831691.

The spelling of 1213011295 in words is "one billion, two hundred thirteen million, eleven thousand, two hundred ninety-five".