121230110123300 has 18 divisors (see below), whose sum is σ = 263069338967778. Its totient is φ = 48492044049280.

The previous prime is 121230110123281. The next prime is 121230110123329. The reversal of 121230110123300 is 3321011032121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18524898051136 + 102705212072164 = 4304056^2 + 10134358^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 606150550517 + ... + 606150550716.

Almost surely, 2^{121230110123300} is an apocalyptic number.

121230110123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121230110123300 is an abundant number, since it is smaller than the sum of its proper divisors (141839228844478).

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

121230110123300 is a wasteful number, since it uses less digits than its factorization.

121230110123300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212301101247 (or 1212301101240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121230110123300 its reverse (3321011032121), we get a palindrome (124551121155421).

The spelling of 121230110123300 in words is "one hundred twenty-one trillion, two hundred thirty billion, one hundred ten million, one hundred twenty-three thousand, three hundred".