1213026033451 has 8 divisors (see below), whose sum is σ = 1217694703680. Its totient is φ = 1208366215368.

The previous prime is 1213026033437. The next prime is 1213026033491. The reversal of 1213026033451 is 1543306203121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213026033451 - 2²³ = 1213017644843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213026033491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938381 + ... + 2486638.

It is an arithmetic number, because the mean of its divisors is an integer number (152211837960).

Almost surely, 2^{1213026033451} is an apocalyptic number.

1213026033451 is a deficient number, since it is larger than the sum of its proper divisors (4668670229).

1213026033451 is an equidigital number, since it uses as much as digits as its factorization.

1213026033451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426073.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 1213026033451 in words is "one trillion, two hundred thirteen billion, twenty-six million, thirty-three thousand, four hundred fifty-one".