1452142122420 has 96 divisors (see below), whose sum is σ = 4441736871936. Its totient is φ = 351550108800.

The previous prime is 1452142122377. The next prime is 1452142122449. The reversal of 1452142122420 is 242212412541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1033396 + ... + 1993035.

It is an arithmetic number, because the mean of its divisors is an integer number (46268092416).

Almost surely, 2^{1452142122420} is an apocalyptic number.

1452142122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452142122420 is an abundant number, since it is smaller than the sum of its proper divisors (2989594749516).

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

1452142122420 is a wasteful number, since it uses less digits than its factorization.

1452142122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027181 (or 3027179 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1452142122420 its reverse (242212412541), we get a palindrome (1694354534961).

The spelling of 1452142122420 in words is "one trillion, four hundred fifty-two billion, one hundred forty-two million, one hundred twenty-two thousand, four hundred twenty".