1200402343444 has 24 divisors (see below), whose sum is σ = 2120947254720. Its totient is φ = 594425698944.

The previous prime is 1200402343421. The next prime is 1200402343447. The reversal of 1200402343444 is 4443432040021.

It is a super-2 number, since 2×1200402343444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200402343447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455064 + ... + 1614895.

It is an arithmetic number, because the mean of its divisors is an integer number (88372802280).

Almost surely, 2^{1200402343444} is an apocalyptic number.

It is an amenable number.

1200402343444 is a deficient number, since it is larger than the sum of its proper divisors (920544911276).

1200402343444 is a wasteful number, since it uses less digits than its factorization.

1200402343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071359 (or 2071357 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 1200402343444 its reverse (4443432040021), we get a palindrome (5643834383465).

The spelling of 1200402343444 in words is "one trillion, two hundred billion, four hundred two million, three hundred forty-three thousand, four hundred forty-four".