2103212404340 has 48 divisors (see below), whose sum is σ = 4715959425408. Its totient is φ = 785993222784.

The previous prime is 2103212404327. The next prime is 2103212404367. The reversal of 2103212404340 is 434042123012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53145347 + ... + 53184906.

It is an arithmetic number, because the mean of its divisors is an integer number (98249154696).

Almost surely, 2^{2103212404340} is an apocalyptic number.

2103212404340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103212404340 is an abundant number, since it is smaller than the sum of its proper divisors (2612747021068).

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

2103212404340 is a wasteful number, since it uses less digits than its factorization.

2103212404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106330328 (or 106330326 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2103212404340 its reverse (434042123012), we get a palindrome (2537254527352).

The spelling of 2103212404340 in words is "two trillion, one hundred three billion, two hundred twelve million, four hundred four thousand, three hundred forty".