612143415100 has 72 divisors (see below), whose sum is σ = 1535173305120. Its totient is φ = 207519544320.

The previous prime is 612143415097. The next prime is 612143415131. The reversal of 612143415100 is 1514341216.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4850569 + ... + 4975168.

It is an arithmetic number, because the mean of its divisors is an integer number (21321851460).

Almost surely, 2^612143415100 is an apocalyptic number.

It is an amenable number.

612143415100 is an abundant number, since it is smaller than the sum of its proper divisors (923029890020).

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

612143415100 is a wasteful number, since it uses less digits than its factorization.

612143415100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825847 (or 9825840 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 612143415100 its reverse (1514341216), we get a palindrome (613657756316).

The spelling of 612143415100 in words is "six hundred twelve billion, one hundred forty-three million, four hundred fifteen thousand, one hundred".