1210123102200 has 96 divisors (see below), whose sum is σ = 3751549171200. Its totient is φ = 322685080960.

The previous prime is 1210123102121. The next prime is 1210123102277. The reversal of 1210123102200 is 22013210121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1210123102200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24937561 + ... + 24986039.

It is an arithmetic number, because the mean of its divisors is an integer number (39078637200).

Almost surely, 2^{1210123102200} is an apocalyptic number.

1210123102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210123102200 is an abundant number, since it is smaller than the sum of its proper divisors (2541426069000).

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

1210123102200 is a wasteful number, since it uses less digits than its factorization.

1210123102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90101 (or 90092 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210123102200 its reverse (22013210121), we get a palindrome (1232136312321).

The spelling of 1210123102200 in words is "one trillion, two hundred ten billion, one hundred twenty-three million, one hundred two thousand, two hundred".