105212533340 has 24 divisors (see below), whose sum is σ = 223972985040. Its totient is φ = 41508505728.

The previous prime is 105212533277. The next prime is 105212533411. The reversal of 105212533340 is 43335212501.

It is a happy number.

It is a super-2 number, since 2×105212533340² (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 in 7 ways as a sum of consecutive naturals, for example, 36030230 + ... + 36033149.

It is an arithmetic number, because the mean of its divisors is an integer number (9332207710).

Almost surely, 2^105212533340 is an apocalyptic number.

105212533340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105212533340 is an abundant number, since it is smaller than the sum of its proper divisors (118760451700).

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

105212533340 is a wasteful number, since it uses less digits than its factorization.

105212533340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72063461 (or 72063459 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 105212533340 its reverse (43335212501), we get a palindrome (148547745841).

The spelling of 105212533340 in words is "one hundred five billion, two hundred twelve million, five hundred thirty-three thousand, three hundred forty".