1451523205212 has 24 divisors (see below), whose sum is σ = 3394532835456. Its totient is φ = 482748874608.

The previous prime is 1451523205151. The next prime is 1451523205213. The reversal of 1451523205212 is 2125023251541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451523205213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136518688 + ... + 136529319.

It is an arithmetic number, because the mean of its divisors is an integer number (141438868144).

Almost surely, 2^{1451523205212} is an apocalyptic number.

1451523205212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1451523205212 is an abundant number, since it is smaller than the sum of its proper divisors (1943009630244).

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

1451523205212 is a wasteful number, since it uses less digits than its factorization.

1451523205212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273048457 (or 273048455 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1451523205212 its reverse (2125023251541), we get a palindrome (3576546456753).

The spelling of 1451523205212 in words is "one trillion, four hundred fifty-one billion, five hundred twenty-three million, two hundred five thousand, two hundred twelve".