385572121802 has 32 divisors (see below), whose sum is σ = 676603694592. Its totient is φ = 161355711744.

The previous prime is 385572121783. The next prime is 385572121807. The reversal of 385572121802 is 208121275583.

It is a super-2 number, since 2×385572121802² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385572121807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391733 + ... + 961560.

It is an arithmetic number, because the mean of its divisors is an integer number (21143865456).

Almost surely, 2^385572121802 is an apocalyptic number.

385572121802 is a deficient number, since it is larger than the sum of its proper divisors (291031572790).

385572121802 is a wasteful number, since it uses less digits than its factorization.

385572121802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353782.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 385572121802 in words is "three hundred eighty-five billion, five hundred seventy-two million, one hundred twenty-one thousand, eight hundred two".