1366555010212 has 96 divisors (see below), whose sum is σ = 2938313484288. Its totient is φ = 542759145984.

The previous prime is 1366555010201. The next prime is 1366555010237. The reversal of 1366555010212 is 2120105556631.

It is a happy 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, 89385633 + ... + 89400919.

It is an arithmetic number, because the mean of its divisors is an integer number (30607432128).

Almost surely, 2^{1366555010212} 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 1366555010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469156742144).

1366555010212 is an abundant number, since it is smaller than the sum of its proper divisors (1571758474076).

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

1366555010212 is a wasteful number, since it uses less digits than its factorization.

1366555010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185 (or 18183 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1366555010212 in words is "one trillion, three hundred sixty-six billion, five hundred fifty-five million, ten thousand, two hundred twelve".