1210943218944 has 288 divisors, whose sum is σ = 3341010879360. Its totient is φ = 389128126464.

The previous prime is 1210943218937. The next prime is 1210943218981. The reversal of 1210943218944 is 4498123490121.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1210943218893 and 1210943218902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1270663972 + ... + 1270664924.

It is an arithmetic number, because the mean of its divisors is an integer number (11600732220).

Almost surely, 2^{1210943218944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210943218944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670505439680).

1210943218944 is an abundant number, since it is smaller than the sum of its proper divisors (2130067660416).

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

1210943218944 is a wasteful number, since it uses less digits than its factorization.

1210943218944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1210943218944 in words is "one trillion, two hundred ten billion, nine hundred forty-three million, two hundred eighteen thousand, nine hundred forty-four".