15212681000432 has 40 divisors (see below), whose sum is σ = 29656236105600. Its totient is φ = 7559545371840.

The previous prime is 15212681000431. The next prime is 15212681000459. The reversal of 15212681000432 is 23400018621251.

It is a junction number, because it is equal to n+sod(n) for n = 15212681000392 and 15212681000401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212681000431) 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, 106007 + ... + 5516937.

It is an arithmetic number, because the mean of its divisors is an integer number (741405902640).

Almost surely, 2^{15212681000432} is an apocalyptic number.

It is an amenable number.

15212681000432 is a deficient number, since it is larger than the sum of its proper divisors (14443555105168).

15212681000432 is a wasteful number, since it uses less digits than its factorization.

15212681000432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412021 (or 5412015 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 15212681000432 its reverse (23400018621251), we get a palindrome (38612699621683).

The spelling of 15212681000432 in words is "fifteen trillion, two hundred twelve billion, six hundred eighty-one million, four hundred thirty-two", and thus it is an aban number.