1005222520452 has 12 divisors (see below), whose sum is σ = 2345519214416. Its totient is φ = 335074173480.

The previous prime is 1005222520451. The next prime is 1005222520469. The reversal of 1005222520452 is 2540252225001.

1005222520452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1005222520451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41884271674 + ... + 41884271697.

Almost surely, 2^{1005222520452} is an apocalyptic number.

1005222520452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005222520452 is an abundant number, since it is smaller than the sum of its proper divisors (1340296693964).

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

1005222520452 is a wasteful number, since it uses less digits than its factorization.

1005222520452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83768543378 (or 83768543376 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 1005222520452 its reverse (2540252225001), we get a palindrome (3545474745453).

The spelling of 1005222520452 in words is "one trillion, five billion, two hundred twenty-two million, five hundred twenty thousand, four hundred fifty-two".