1031203233312 has 48 divisors (see below), whose sum is σ = 3093609701952. Its totient is φ = 294629495040.

The previous prime is 1031203233311. The next prime is 1031203233323. The reversal of 1031203233312 is 2133323021301.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1031203233311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767263639 + ... + 767264982.

It is an arithmetic number, because the mean of its divisors is an integer number (64450202124).

Almost surely, 2^{1031203233312} is an apocalyptic number.

1031203233312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031203233312 is an abundant number, since it is smaller than the sum of its proper divisors (2062406468640).

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

1031203233312 is a wasteful number, since it uses less digits than its factorization.

1031203233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534528641 (or 1534528633 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1031203233312 its reverse (2133323021301), we get a palindrome (3164526254613).

The spelling of 1031203233312 in words is "one trillion, thirty-one billion, two hundred three million, two hundred thirty-three thousand, three hundred twelve".