105423212000 has 96 divisors (see below), whose sum is σ = 266025876480. Its totient is φ = 41029516800.

The previous prime is 105423211981. The next prime is 105423212003. The reversal of 105423212000 is 212324501.

It is a super-2 number, since 2×105423212000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105423212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208160 + ... + 504159.

It is an arithmetic number, because the mean of its divisors is an integer number (2771102880).

Almost surely, 2^105423212000 is an apocalyptic number.

105423212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105423212000 is an abundant number, since it is smaller than the sum of its proper divisors (160602664480).

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

105423212000 is an equidigital number, since it uses as much as digits as its factorization.

105423212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712381 (or 712363 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 105423212000 its reverse (212324501), we get a palindrome (105635536501).

The spelling of 105423212000 in words is "one hundred five billion, four hundred twenty-three million, two hundred twelve thousand".