105245432212 has 6 divisors (see below), whose sum is σ = 184179506378. Its totient is φ = 52622716104.

The previous prime is 105245432197. The next prime is 105245432221. The reversal of 105245432212 is 212234542501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105140656516 + 104775696 = 324254^2 + 10236^2 .

It is a super-2 number, since 2×105245432212² (a number of 23 digits) contains 22 as substring.

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, 13155679023 + ... + 13155679030.

Almost surely, 2^105245432212 is an apocalyptic number.

It is an amenable number.

105245432212 is a deficient number, since it is larger than the sum of its proper divisors (78934074166).

105245432212 is a wasteful number, since it uses less digits than its factorization.

105245432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311358057 (or 26311358055 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 105245432212 its reverse (212234542501), we get a palindrome (317479974713).

The spelling of 105245432212 in words is "one hundred five billion, two hundred forty-five million, four hundred thirty-two thousand, two hundred twelve".