1373543402112 has 448 divisors, whose sum is σ = 4703656772160. Its totient is φ = 391193763840.

The previous prime is 1373543402107. The next prime is 1373543402129. The reversal of 1373543402112 is 2112043453731.

1373543402112 is a `hidden beast` number, since 1 + 3 + 7 + 3 + 5 + 434 + 0 + 211 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 216200728 + ... + 216207080.

Almost surely, 2^{1373543402112} is an apocalyptic number.

1373543402112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373543402112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351828386080).

1373543402112 is an abundant number, since it is smaller than the sum of its proper divisors (3330113370048).

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

1373543402112 is an frugal number, since it uses more digits than its factorization.

1373543402112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 1373543402112 its reverse (2112043453731), we get a palindrome (3485586855843).

The spelling of 1373543402112 in words is "one trillion, three hundred seventy-three billion, five hundred forty-three million, four hundred two thousand, one hundred twelve".