15402144213012 has 24 divisors (see below), whose sum is σ = 37500872867136. Its totient is φ = 4910828589568.

The previous prime is 15402144212999. The next prime is 15402144213019. The reversal of 15402144213012 is 21031244120451.

It is a super-2 number, since 2×15402144213012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15402144213019) 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 7 ways as a sum of consecutive naturals, for example, 27902434893 + ... + 27902435444.

It is an arithmetic number, because the mean of its divisors is an integer number (1562536369464).

Almost surely, 2^{15402144213012} is an apocalyptic number.

15402144213012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15402144213012 is an abundant number, since it is smaller than the sum of its proper divisors (22098728654124).

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

15402144213012 is a wasteful number, since it uses less digits than its factorization.

15402144213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55804870367 (or 55804870365 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 15402144213012 its reverse (21031244120451), we get a palindrome (36433388333463).

The spelling of 15402144213012 in words is "fifteen trillion, four hundred two billion, one hundred forty-four million, two hundred thirteen thousand, twelve".