1203791015712 has 24 divisors (see below), whose sum is σ = 3159951416496. Its totient is φ = 401263671872.

The previous prime is 1203791015711. The next prime is 1203791015737. The reversal of 1203791015712 is 2175101973021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1203791015712² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203791015711) 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, 6269744778 + ... + 6269744969.

It is an arithmetic number, because the mean of its divisors is an integer number (131664642354).

Almost surely, 2^{1203791015712} is an apocalyptic number.

1203791015712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203791015712 is an abundant number, since it is smaller than the sum of its proper divisors (1956160400784).

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

1203791015712 is a wasteful number, since it uses less digits than its factorization.

1203791015712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12539489760 (or 12539489752 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 39.

Adding to 1203791015712 its reverse (2175101973021), we get a palindrome (3378892988733).

The spelling of 1203791015712 in words is "one trillion, two hundred three billion, seven hundred ninety-one million, fifteen thousand, seven hundred twelve".