103212134415 has 128 divisors (see below), whose sum is σ = 209024686080. Its totient is φ = 47935742976.

The previous prime is 103212134413. The next prime is 103212134491. The reversal of 103212134415 is 514431212301.

103212134415 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 1 + 213 + 441 + 5 = 666.

It is not a de Polignac number, because 103212134415 - 2¹ = 103212134413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212134413) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2929132 + ... + 2964158.

It is an arithmetic number, because the mean of its divisors is an integer number (1633005360).

Almost surely, 2^103212134415 is an apocalyptic number.

103212134415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103212134415 is an abundant number, since it is smaller than the sum of its proper divisors (105812551665).

103212134415 is a wasteful number, since it uses less digits than its factorization.

103212134415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35150 (or 35144 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 103212134415 its reverse (514431212301), we get a palindrome (617643346716).

The spelling of 103212134415 in words is "one hundred three billion, two hundred twelve million, one hundred thirty-four thousand, four hundred fifteen".