1213652312063 has 8 divisors (see below), whose sum is σ = 1283948496000. Its totient is φ = 1143998102808.

The previous prime is 1213652312057. The next prime is 1213652312069. The reversal of 1213652312063 is 3602132563121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1213652312057) and next prime (1213652312069).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213652312063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213652312069) 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, 160489781 + ... + 160497342.

It is an arithmetic number, because the mean of its divisors is an integer number (160493562000).

Almost surely, 2^{1213652312063} is an apocalyptic number.

1213652312063 is a deficient number, since it is larger than the sum of its proper divisors (70296183937).

1213652312063 is a wasteful number, since it uses less digits than its factorization.

1213652312063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320987341.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 1213652312063 its reverse (3602132563121), we get a palindrome (4815784875184).

The spelling of 1213652312063 in words is "one trillion, two hundred thirteen billion, six hundred fifty-two million, three hundred twelve thousand, sixty-three".