1230123221010 has 24 divisors (see below), whose sum is σ = 3198320374860. Its totient is φ = 328032858912.

The previous prime is 1230123220957. The next prime is 1230123221039. The reversal of 1230123221010 is 101223210321.

1230123221010 is a `hidden beast` number, since 1 + 230 + 12 + 322 + 101 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1229683605921 + 439615089 = 1108911^2 + 20967^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6834017805 + ... + 6834017984.

Almost surely, 2^{1230123221010} is an apocalyptic number.

1230123221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230123221010 is an abundant number, since it is smaller than the sum of its proper divisors (1968197153850).

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

1230123221010 is a wasteful number, since it uses less digits than its factorization.

1230123221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668035802 (or 13668035799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1230123221010 its reverse (101223210321), we get a palindrome (1331346431331).

The spelling of 1230123221010 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, two hundred twenty-one thousand, ten".