38021211212 has 48 divisors (see below), whose sum is σ = 70881894720. Its totient is φ = 17783212032.

The previous prime is 38021211199. The next prime is 38021211247. The reversal of 38021211212 is 21211212083.

It is a super-2 number, since 2×38021211212² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 10249214 + ... + 10252922.

It is an arithmetic number, because the mean of its divisors is an integer number (1476706140).

Almost surely, 2^38021211212 is an apocalyptic number.

It is an amenable number.

38021211212 is a deficient number, since it is larger than the sum of its proper divisors (32860683508).

38021211212 is a wasteful number, since it uses less digits than its factorization.

38021211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 38021211212 its reverse (21211212083), we get a palindrome (59232423295).

The spelling of 38021211212 in words is "thirty-eight billion, twenty-one million, two hundred eleven thousand, two hundred twelve".