1212201211194 has 96 divisors (see below), whose sum is σ = 2664645984000. Its totient is φ = 398231043840.

The previous prime is 1212201211181. The next prime is 1212201211223. The reversal of 1212201211194 is 4911121022121.

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, 408284542 + ... + 408287510.

It is an arithmetic number, because the mean of its divisors is an integer number (27756729000).

Almost surely, 2^{1212201211194} is an apocalyptic number.

1212201211194 is an abundant number, since it is smaller than the sum of its proper divisors (1452444772806).

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

1212201211194 is a wasteful number, since it uses less digits than its factorization.

1212201211194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 1212201211194 in words is "one trillion, two hundred twelve billion, two hundred one million, two hundred eleven thousand, one hundred ninety-four".