10123220210 has 16 divisors (see below), whose sum is σ = 18666231192. Its totient is φ = 3950524800.

The previous prime is 10123220171. The next prime is 10123220227. The reversal of 10123220210 is 1202232101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6795199489 + 3328020721 = 82433^2 + 57689^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12344981 + ... + 12345800.

Almost surely, 2^10123220210 is an apocalyptic number.

10123220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10123220210 is a deficient number, since it is larger than the sum of its proper divisors (8543010982).

10123220210 is a wasteful number, since it uses less digits than its factorization.

10123220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24690829.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10123220210 its reverse (1202232101), we get a palindrome (11325452311).

The spelling of 10123220210 in words is "ten billion, one hundred twenty-three million, two hundred twenty thousand, two hundred ten".