103440340212 has 48 divisors (see below), whose sum is σ = 263560914624. Its totient is φ = 31314816000.

The previous prime is 103440340183. The next prime is 103440340217. The reversal of 103440340212 is 212043044301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440340217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248989 + ... + 518532.

It is an arithmetic number, because the mean of its divisors is an integer number (5490852388).

Almost surely, 2^103440340212 is an apocalyptic number.

103440340212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103440340212 is an abundant number, since it is smaller than the sum of its proper divisors (160120574412).

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

103440340212 is a wasteful number, since it uses less digits than its factorization.

103440340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768560 (or 768558 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 103440340212 its reverse (212043044301), we get a palindrome (315483384513).

The spelling of 103440340212 in words is "one hundred three billion, four hundred forty million, three hundred forty thousand, two hundred twelve".