402201121302 has 80 divisors (see below), whose sum is σ = 960421473792. Its totient is φ = 125509515120.

The previous prime is 402201121213. The next prime is 402201121321. The reversal of 402201121302 is 203121102204.

It is a happy number.

402201121302 is a `hidden beast` number, since 40 + 2 + 201 + 121 + 302 = 666.

It is a super-2 number, since 2×402201121302² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 973224 + ... + 1323467.

Almost surely, 2^402201121302 is an apocalyptic number.

402201121302 is an abundant number, since it is smaller than the sum of its proper divisors (558220352490).

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

402201121302 is a wasteful number, since it uses less digits than its factorization.

402201121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296775 (or 2296766 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 402201121302 its reverse (203121102204), we get a palindrome (605322223506).

The spelling of 402201121302 in words is "four hundred two billion, two hundred one million, one hundred twenty-one thousand, three hundred two".