1210012032300 has 144 divisors (see below), whose sum is σ = 3596327320320. Its totient is φ = 313884599040.

The previous prime is 1210012032289. The next prime is 1210012032329. The reversal of 1210012032300 is 32302100121.

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 1210012032300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79457287 + ... + 79472513.

It is an arithmetic number, because the mean of its divisors is an integer number (24974495280).

Almost surely, 2^{1210012032300} is an apocalyptic number.

1210012032300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210012032300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798163660160).

1210012032300 is an abundant number, since it is smaller than the sum of its proper divisors (2386315288020).

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

1210012032300 is a wasteful number, since it uses less digits than its factorization.

1210012032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22440 (or 22433 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1210012032300 its reverse (32302100121), we get a palindrome (1242314132421).

The spelling of 1210012032300 in words is "one trillion, two hundred ten billion, twelve million, thirty-two thousand, three hundred".