1212210120984 has 32 divisors (see below), whose sum is σ = 3030552407040. Its totient is φ = 404066426400.

The previous prime is 1212210120983. The next prime is 1212210120997. The reversal of 1212210120984 is 4890210122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210120983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4755249 + ... + 5003679.

It is an arithmetic number, because the mean of its divisors is an integer number (94704762720).

Almost surely, 2^{1212210120984} is an apocalyptic number.

It is an amenable number.

1212210120984 is an abundant number, since it is smaller than the sum of its proper divisors (1818342286056).

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

1212210120984 is a wasteful number, since it uses less digits than its factorization.

1212210120984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451751 (or 451747 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 1212210120984 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty thousand, nine hundred eighty-four".