401201222078 has 8 divisors (see below), whose sum is σ = 609419578080. Its totient is φ = 198061362720.

The previous prime is 401201222077. The next prime is 401201222089. The reversal of 401201222078 is 870222102104.

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

It is a self number, because there is not a number n which added to its sum of digits gives 401201222078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401201222077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269623963 + ... + 1269624278.

It is an arithmetic number, because the mean of its divisors is an integer number (76177447260).

Almost surely, 2^401201222078 is an apocalyptic number.

401201222078 is a deficient number, since it is larger than the sum of its proper divisors (208218356002).

401201222078 is a wasteful number, since it uses less digits than its factorization.

401201222078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539248322.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 401201222078 in words is "four hundred one billion, two hundred one million, two hundred twenty-two thousand, seventy-eight".