10123212100 has 18 divisors (see below), whose sum is σ = 21967370474. Its totient is φ = 4049284800.

The previous prime is 10123212089. The next prime is 10123212119. The reversal of 10123212100 is 121232101.

It can be written as a sum of positive squares in 3 ways, for example, as 2654104324 + 7469107776 = 51518^2 + 86424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50615961 + ... + 50616160.

Almost surely, 2^10123212100 is an apocalyptic number.

10123212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123212100 is an abundant number, since it is smaller than the sum of its proper divisors (11844158374).

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

10123212100 is a wasteful number, since it uses less digits than its factorization.

10123212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101232135 (or 101232128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10123212100 its reverse (121232101), we get a palindrome (10244444201).

The spelling of 10123212100 in words is "ten billion, one hundred twenty-three million, two hundred twelve thousand, one hundred".