1236231163064 has 32 divisors (see below), whose sum is σ = 2440005330000. Its totient is φ = 585565085952.

The previous prime is 1236231163061. The next prime is 1236231163103. The reversal of 1236231163064 is 4603611326321.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236231163061) 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, 5692052 + ... + 5905244.

Almost surely, 2^{1236231163064} is an apocalyptic number.

It is an amenable number.

1236231163064 is a deficient number, since it is larger than the sum of its proper divisors (1203774166936).

1236231163064 is a wasteful number, since it uses less digits than its factorization.

1236231163064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251367 (or 251363 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 1236231163064 its reverse (4603611326321), we get a palindrome (5839842489385).

The spelling of 1236231163064 in words is "one trillion, two hundred thirty-six billion, two hundred thirty-one million, one hundred sixty-three thousand, sixty-four".