1203312312132 has 48 divisors (see below), whose sum is σ = 3211444037760. Its totient is φ = 343523745792.

The previous prime is 1203312312019. The next prime is 1203312312133. The reversal of 1203312312132 is 2312132133021.

It is not an unprimeable number, because it can be changed into a prime (1203312312133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724733 + ... + 5931204.

It is an arithmetic number, because the mean of its divisors is an integer number (66905084120).

Almost surely, 2^{1203312312132} is an apocalyptic number.

1203312312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203312312132 is an abundant number, since it is smaller than the sum of its proper divisors (2008131725628).

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

1203312312132 is a wasteful number, since it uses less digits than its factorization.

1203312312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657180 (or 11657178 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1203312312132 its reverse (2312132133021), we get a palindrome (3515444445153).

The spelling of 1203312312132 in words is "one trillion, two hundred three billion, three hundred twelve million, three hundred twelve thousand, one hundred thirty-two".