1421352222732 has 96 divisors (see below), whose sum is σ = 3974622095360. Its totient is φ = 436658713920.

The previous prime is 1421352222659. The next prime is 1421352222733. The reversal of 1421352222732 is 2372222531241.

1421352222732 is a `hidden beast` number, since 1 + 42 + 1 + 3 + 522 + 22 + 73 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1421352222733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115557 + ... + 1689987.

Almost surely, 2^{1421352222732} is an apocalyptic number.

1421352222732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421352222732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987311047680).

1421352222732 is an abundant number, since it is smaller than the sum of its proper divisors (2553269872628).

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

1421352222732 is a wasteful number, since it uses less digits than its factorization.

1421352222732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575100 (or 1575092 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

Adding to 1421352222732 its reverse (2372222531241), we get a palindrome (3793574753973).

The spelling of 1421352222732 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-two million, two hundred twenty-two thousand, seven hundred thirty-two".