1012455622552 has 96 divisors (see below), whose sum is σ = 2142941743440. Its totient is φ = 444726892800.

The previous prime is 1012455622531. The next prime is 1012455622597. The reversal of 1012455622552 is 2552265542101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61980178 + ... + 61996510.

Almost surely, 2^{1012455622552} 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 1012455622552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071470871720).

1012455622552 is an abundant number, since it is smaller than the sum of its proper divisors (1130486120888).

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

1012455622552 is a wasteful number, since it uses less digits than its factorization.

1012455622552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145 (or 17110 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 1012455622552 in words is "one trillion, twelve billion, four hundred fifty-five million, six hundred twenty-two thousand, five hundred fifty-two".