1521234464012 has 48 divisors (see below), whose sum is σ = 2916419476320. Its totient is φ = 691079961600.

The previous prime is 1521234464011. The next prime is 1521234464017. The reversal of 1521234464012 is 2104644321251.

It is a happy number.

It is a super-3 number, since 3×1521234464012³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1521234464011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13077587 + ... + 13193397.

It is an arithmetic number, because the mean of its divisors is an integer number (60758739090).

Almost surely, 2^{1521234464012} is an apocalyptic number.

It is an amenable number.

1521234464012 is a deficient number, since it is larger than the sum of its proper divisors (1395185012308).

1521234464012 is a wasteful number, since it uses less digits than its factorization.

1521234464012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122522 (or 122520 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 1521234464012 its reverse (2104644321251), we get a palindrome (3625878785263).

The spelling of 1521234464012 in words is "one trillion, five hundred twenty-one billion, two hundred thirty-four million, four hundred sixty-four thousand, twelve".