1301221020194 has 8 divisors (see below), whose sum is σ = 1997222961360. Its totient is φ = 635480033076.

The previous prime is 1301221020193. The next prime is 1301221020301. The reversal of 1301221020194 is 4910201221031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1301221020194² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1301221020193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7565238404 + ... + 7565238575.

It is an arithmetic number, because the mean of its divisors is an integer number (249652870170).

Almost surely, 2^{1301221020194} is an apocalyptic number.

1301221020194 is a deficient number, since it is larger than the sum of its proper divisors (696001941166).

1301221020194 is a wasteful number, since it uses less digits than its factorization.

1301221020194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130477024.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1301221020194 in words is "one trillion, three hundred one billion, two hundred twenty-one million, twenty thousand, one hundred ninety-four".