1022400205152 has 96 divisors (see below), whose sum is σ = 2803300980480. Its totient is φ = 325853606400.

The previous prime is 1022400205097. The next prime is 1022400205187. The reversal of 1022400205152 is 2515020042201.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495974 + ... + 2069477.

It is an arithmetic number, because the mean of its divisors is an integer number (29201051880).

Almost surely, 2^{1022400205152} is an apocalyptic number.

1022400205152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022400205152 is an abundant number, since it is smaller than the sum of its proper divisors (1780900775328).

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

1022400205152 is a wasteful number, since it uses less digits than its factorization.

1022400205152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565596 (or 3565588 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 1022400205152 its reverse (2515020042201), we get a palindrome (3537420247353).

The spelling of 1022400205152 in words is "one trillion, twenty-two billion, four hundred million, two hundred five thousand, one hundred fifty-two".