1213440036285 has 32 divisors (see below), whose sum is σ = 1976165978112. Its totient is φ = 635714956800.

The previous prime is 1213440036283. The next prime is 1213440036293. The reversal of 1213440036285 is 5826300443121.

It is not a de Polignac number, because 1213440036285 - 2¹ = 1213440036283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213440036283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2960944 + ... + 3345753.

It is an arithmetic number, because the mean of its divisors is an integer number (61755186816).

Almost surely, 2^{1213440036285} is an apocalyptic number.

1213440036285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1213440036285 is a deficient number, since it is larger than the sum of its proper divisors (762725941827).

1213440036285 is a wasteful number, since it uses less digits than its factorization.

1213440036285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306933.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 1213440036285 in words is "one trillion, two hundred thirteen billion, four hundred forty million, thirty-six thousand, two hundred eighty-five".