1203288126816 has 48 divisors (see below), whose sum is σ = 3203119116288. Its totient is φ = 395446800000.

The previous prime is 1203288126791. The next prime is 1203288126853. The reversal of 1203288126816 is 6186218823021.

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

It is a super-2 number, since 2×1203288126816² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88262560 + ... + 88276191.

It is an arithmetic number, because the mean of its divisors is an integer number (66731648256).

Almost surely, 2^{1203288126816} is an apocalyptic number.

1203288126816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1203288126816 is an abundant number, since it is smaller than the sum of its proper divisors (1999830989472).

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

1203288126816 is a wasteful number, since it uses less digits than its factorization.

1203288126816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176538835 (or 176538827 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 1203288126816 in words is "one trillion, two hundred three billion, two hundred eighty-eight million, one hundred twenty-six thousand, eight hundred sixteen".