1055221413132 has 24 divisors (see below), whose sum is σ = 2462255251456. Its totient is φ = 351730191888.

The previous prime is 1055221413131. The next prime is 1055221413133. The reversal of 1055221413132 is 2313141225501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1055221413131) and next prime (1055221413133).

It is a super-2 number, since 2×1055221413132² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055221413132.

It is not an unprimeable number, because it can be changed into a prime (1055221413131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851308 + ... + 1683795.

Almost surely, 2^{1055221413132} is an apocalyptic number.

1055221413132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055221413132 is an abundant number, since it is smaller than the sum of its proper divisors (1407033838324).

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

1055221413132 is a wasteful number, since it uses less digits than its factorization.

1055221413132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569797 (or 2569795 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1055221413132 its reverse (2313141225501), we get a palindrome (3368362638633).

The spelling of 1055221413132 in words is "one trillion, fifty-five billion, two hundred twenty-one million, four hundred thirteen thousand, one hundred thirty-two".