1210012300000 has 288 divisors, whose sum is σ = 3408585836544. Its totient is φ = 414173760000.

The previous prime is 1210012299983. The next prime is 1210012300039. The reversal of 1210012300000 is 32100121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1210012300000.

It is a congruent number.

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, 604098999 + ... + 604101001.

It is an arithmetic number, because the mean of its divisors is an integer number (11835367488).

Almost surely, 2^{1210012300000} is an apocalyptic number.

1210012300000 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 1210012300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704292918272).

1210012300000 is an abundant number, since it is smaller than the sum of its proper divisors (2198573536544).

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

1210012300000 is an frugal number, since it uses more digits than its factorization.

1210012300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1210012300000 its reverse (32100121), we get a palindrome (1210044400121).

The spelling of 1210012300000 in words is "one trillion, two hundred ten billion, twelve million, three hundred thousand".