202142212432 has 10 divisors (see below), whose sum is σ = 391650536618. Its totient is φ = 101071106208.

The previous prime is 202142212417. The next prime is 202142212463. The reversal of 202142212432 is 234212241202.

It can be written as a sum of positive squares in only one way, i.e., 113733515536 + 88408696896 = 337244^2 + 297336^2 .

It is a super-2 number, since 2×202142212432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202142212397 and 202142212406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316944123 + ... + 6316944154.

Almost surely, 2^202142212432 is an apocalyptic number.

It is an amenable number.

202142212432 is a deficient number, since it is larger than the sum of its proper divisors (189508324186).

202142212432 is a wasteful number, since it uses less digits than its factorization.

202142212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633888285 (or 12633888279 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 202142212432 its reverse (234212241202), we get a palindrome (436354453634).

The spelling of 202142212432 in words is "two hundred two billion, one hundred forty-two million, two hundred twelve thousand, four hundred thirty-two".