402120101332 has 12 divisors (see below), whose sum is σ = 726410505856. Its totient is φ = 194574242520.

The previous prime is 402120101323. The next prime is 402120101371. The reversal of 402120101332 is 233101021204.

It is a happy number.

It is a super-3 number, since 3×402120101332³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621451898 + ... + 1621452145.

Almost surely, 2^402120101332 is an apocalyptic number.

It is an amenable number.

402120101332 is a deficient number, since it is larger than the sum of its proper divisors (324290404524).

402120101332 is a wasteful number, since it uses less digits than its factorization.

402120101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242904078 (or 3242904076 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 402120101332 its reverse (233101021204), we get a palindrome (635221122536).

The spelling of 402120101332 in words is "four hundred two billion, one hundred twenty million, one hundred one thousand, three hundred thirty-two".