1361212533432 has 128 divisors (see below), whose sum is σ = 4011725491200. Its totient is φ = 426176755200.

The previous prime is 1361212533427. The next prime is 1361212533469. The reversal of 1361212533432 is 2343352121631.

1361212533432 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 212 + 5 + 3 + 3 + 432 = 666.

It is a super-2 number, since 2×1361212533432² (a number of 25 digits) contains 22 as substring.

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

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, 1425457 + ... + 2180447.

It is an arithmetic number, because the mean of its divisors is an integer number (31341605400).

Almost surely, 2^{1361212533432} is an apocalyptic number.

1361212533432 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 1361212533432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2005862745600).

1361212533432 is an abundant number, since it is smaller than the sum of its proper divisors (2650512957768).

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

1361212533432 is a wasteful number, since it uses less digits than its factorization.

1361212533432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755514 (or 755504 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 1361212533432 in words is "one trillion, three hundred sixty-one billion, two hundred twelve million, five hundred thirty-three thousand, four hundred thirty-two".