2103212310130 has 16 divisors (see below), whose sum is σ = 3847844161944. Its totient is φ = 827493367680.

The previous prime is 2103212310091. The next prime is 2103212310131. The reversal of 2103212310130 is 310132123012.

It can be written as a sum of positive squares in 4 ways, for example, as 1257737577121 + 845474733009 = 1121489^2 + 919497^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103212310098 and 2103212310107.

It is not an unprimeable number, because it can be changed into a prime (2103212310131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723943907 + ... + 1723945126.

Almost surely, 2^{2103212310130} is an apocalyptic number.

2103212310130 is a deficient number, since it is larger than the sum of its proper divisors (1744631851814).

2103212310130 is a wasteful number, since it uses less digits than its factorization.

2103212310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447889101.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2103212310130 its reverse (310132123012), we get a palindrome (2413344433142).

The spelling of 2103212310130 in words is "two trillion, one hundred three billion, two hundred twelve million, three hundred ten thousand, one hundred thirty".