1222143688064 has 48 divisors (see below), whose sum is σ = 2636433811620. Its totient is φ = 564066307584.

The previous prime is 1222143688037. The next prime is 1222143688079. The reversal of 1222143688064 is 4608863412221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28226882 + ... + 28270145.

Almost surely, 2^{1222143688064} is an apocalyptic number.

It is an amenable number.

1222143688064 is an abundant number, since it is smaller than the sum of its proper divisors (1414290123556).

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

1222143688064 is an equidigital number, since it uses as much as digits as its factorization.

1222143688064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56497067 (or 56497042 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 1222143688064 in words is "one trillion, two hundred twenty-two billion, one hundred forty-three million, six hundred eighty-eight thousand, sixty-four".