1230112102 has 4 divisors (see below), whose sum is σ = 1845168156. Its totient is φ = 615056050.

The previous prime is 1230112099. The next prime is 1230112109. The reversal of 1230112102 is 2012110321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2012110321 = 13 ⋅154777717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230112109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307528024 + ... + 307528027.

It is an arithmetic number, because the mean of its divisors is an integer number (461292039).

Almost surely, 2^1230112102 is an apocalyptic number.

1230112102 is a deficient number, since it is larger than the sum of its proper divisors (615056054).

1230112102 is an equidigital number, since it uses as much as digits as its factorization.

1230112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615056053.

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

The square root of 1230112102 is about 35072.9539959211. The cubic root of 1230112102 is about 1071.4738190296.

Adding to 1230112102 its reverse (2012110321), we get a palindrome (3242222423).

The spelling of 1230112102 in words is "one billion, two hundred thirty million, one hundred twelve thousand, one hundred two".