10123215104 has 18 divisors (see below), whose sum is σ = 20206886910. Its totient is φ = 5061607424.

The previous prime is 10123215083. The next prime is 10123215149. The reversal of 10123215104 is 40151232101.

It can be written as a sum of positive squares in only one way, i.e., 7542575104 + 2580640000 = 86848^2 + 50800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19771649 + ... + 19772160.

Almost surely, 2^10123215104 is an apocalyptic number.

It is an amenable number.

10123215104 is a deficient number, since it is larger than the sum of its proper divisors (10083671806).

10123215104 is an frugal number, since it uses more digits than its factorization.

10123215104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39543825 (or 39543811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 10123215104 its reverse (40151232101), we get a palindrome (50274447205).

The spelling of 10123215104 in words is "ten billion, one hundred twenty-three million, two hundred fifteen thousand, one hundred four".