30202123132 has 12 divisors (see below), whose sum is σ = 55635490120. Its totient is φ = 14306268816.

The previous prime is 30202123129. The next prime is 30202123139. The reversal of 30202123132 is 23132120203.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202123139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198698103 + ... + 198698254.

Almost surely, 2^30202123132 is an apocalyptic number.

It is an amenable number.

30202123132 is a deficient number, since it is larger than the sum of its proper divisors (25433366988).

30202123132 is a wasteful number, since it uses less digits than its factorization.

30202123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397396380 (or 397396378 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30202123132 its reverse (23132120203), we get a palindrome (53334243335).

The spelling of 30202123132 in words is "thirty billion, two hundred two million, one hundred twenty-three thousand, one hundred thirty-two".