1210022000000 has 224 divisors, whose sum is σ = 3287186829720. Its totient is φ = 440000000000.

The previous prime is 1210021999981. The next prime is 1210022000041. The reversal of 1210022000000 is 2200121.

Added to its reverse (2200121) it gives a square (1210024200121 = 1100011²).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21972500 + ... + 22027500.

Almost surely, 2^{1210022000000} is an apocalyptic number.

1210022000000 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 1210022000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643593414860).

1210022000000 is an abundant number, since it is smaller than the sum of its proper divisors (2077164829720).

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

1210022000000 is an frugal number, since it uses more digits than its factorization.

1210022000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55056 (or 55019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1210022000000 its reverse (2200121), we get a palindrome (1210024200121).

The spelling of 1210022000000 in words is "one trillion, two hundred ten billion, twenty-two million", and thus it is an aban number.