105212126352 has 40 divisors (see below), whose sum is σ = 271809951264. Its totient is φ = 35069165824.

The previous prime is 105212126323. The next prime is 105212126431. The reversal of 105212126352 is 253621212501.

It is a super-2 number, since 2×105212126352² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730908 + ... + 1790660.

Almost surely, 2^105212126352 is an apocalyptic number.

105212126352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105212126352 is an abundant number, since it is smaller than the sum of its proper divisors (166597824912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105212126352 is a wasteful number, since it uses less digits than its factorization.

105212126352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96447 (or 96441 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 105212126352 its reverse (253621212501), we get a palindrome (358833338853).

The spelling of 105212126352 in words is "one hundred five billion, two hundred twelve million, one hundred twenty-six thousand, three hundred fifty-two".