102412210440 has 64 divisors (see below), whose sum is σ = 307862544960. Its totient is φ = 27254286080.

The previous prime is 102412210357. The next prime is 102412210463. The reversal of 102412210440 is 44012214201.

It is an unprimeable number.

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, 810159 + ... + 927998.

It is an arithmetic number, because the mean of its divisors is an integer number (4810352265).

Almost surely, 2^102412210440 is an apocalyptic number.

102412210440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102412210440 is an abundant number, since it is smaller than the sum of its proper divisors (205450334520).

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

102412210440 is a wasteful number, since it uses less digits than its factorization.

102412210440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738662 (or 1738658 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102412210440 its reverse (44012214201), we get a palindrome (146424424641).

The spelling of 102412210440 in words is "one hundred two billion, four hundred twelve million, two hundred ten thousand, four hundred forty".