1455412212020 has 72 divisors (see below), whose sum is σ = 3504235584024. Its totient is φ = 505772187648.

The previous prime is 1455412212017. The next prime is 1455412212061. The reversal of 1455412212020 is 202122145541.

It can be written as a sum of positive squares in 12 ways, for example, as 587313780496 + 868098431524 = 766364^2 + 931718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12607109 + ... + 12722028.

It is an arithmetic number, because the mean of its divisors is an integer number (48669938667).

Almost surely, 2^{1455412212020} is an apocalyptic number.

1455412212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455412212020 is an abundant number, since it is smaller than the sum of its proper divisors (2048823372004).

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

1455412212020 is a wasteful number, since it uses less digits than its factorization.

1455412212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25329189 (or 25329174 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1455412212020 its reverse (202122145541), we get a palindrome (1657534357561).

The spelling of 1455412212020 in words is "one trillion, four hundred fifty-five billion, four hundred twelve million, two hundred twelve thousand, twenty".