1023055121452 has 72 divisors (see below), whose sum is σ = 2244204770640. Its totient is φ = 404480926080.

The previous prime is 1023055121443. The next prime is 1023055121479. The reversal of 1023055121452 is 2541215503201.

1023055121452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4132327 + ... + 4372897.

Almost surely, 2^{1023055121452} 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 1023055121452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122102385320).

1023055121452 is an abundant number, since it is smaller than the sum of its proper divisors (1221149649188).

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

1023055121452 is a wasteful number, since it uses less digits than its factorization.

1023055121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242271 (or 242262 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1023055121452 in words is "one trillion, twenty-three billion, fifty-five million, one hundred twenty-one thousand, four hundred fifty-two".