212303123202130 has 64 divisors (see below), whose sum is σ = 417711909270528. Its totient is φ = 77341197588480.

The previous prime is 212303123202127. The next prime is 212303123202139. The reversal of 212303123202130 is 31202321303212.

It is a super-2 number, since 2×212303123202130² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212303123202095 and 212303123202104.

It is not an unprimeable number, because it can be changed into a prime (212303123202139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61956309 + ... + 65293111.

It is an arithmetic number, because the mean of its divisors is an integer number (6526748582352).

Almost surely, 2^{212303123202130} is an apocalyptic number.

212303123202130 is a deficient number, since it is larger than the sum of its proper divisors (205408786068398).

212303123202130 is a wasteful number, since it uses less digits than its factorization.

212303123202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348931.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212303123202130 its reverse (31202321303212), we get a palindrome (243505444505342).

The spelling of 212303123202130 in words is "two hundred twelve trillion, three hundred three billion, one hundred twenty-three million, two hundred two thousand, one hundred thirty".