1213001303232 has 28 divisors (see below), whose sum is σ = 3209399281976. Its totient is φ = 404333767680.

The previous prime is 1213001303209. The next prime is 1213001303233. The reversal of 1213001303232 is 2323031003121.

It is a junction number, because it is equal to n+sod(n) for n = 1213001303199 and 1213001303208.

It is not an unprimeable number, because it can be changed into a prime (1213001303233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158857369 + ... + 3158857752.

Almost surely, 2^{1213001303232} is an apocalyptic number.

1213001303232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213001303232 is an abundant number, since it is smaller than the sum of its proper divisors (1996397978744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213001303232 is an equidigital number, since it uses as much as digits as its factorization.

1213001303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317715136 (or 6317715126 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1213001303232 its reverse (2323031003121), we get a palindrome (3536032306353).

The spelling of 1213001303232 in words is "one trillion, two hundred thirteen billion, one million, three hundred three thousand, two hundred thirty-two".