1203388561344 has 224 divisors, whose sum is σ = 3421954584576. Its totient is φ = 371898941440.

The previous prime is 1203388561339. The next prime is 1203388561351. The reversal of 1203388561344 is 4431658833021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1203388561293 and 1203388561302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58568737 + ... + 58589279.

Almost surely, 2^{1203388561344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203388561344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710977292288).

1203388561344 is an abundant number, since it is smaller than the sum of its proper divisors (2218566023232).

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

1203388561344 is a wasteful number, since it uses less digits than its factorization.

1203388561344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20843 (or 20833 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 1203388561344 in words is "one trillion, two hundred three billion, three hundred eighty-eight million, five hundred sixty-one thousand, three hundred forty-four".