212434433310 has 32 divisors (see below), whose sum is σ = 556191971712. Its totient is φ = 51499256480.

The previous prime is 212434433257. The next prime is 212434433333. The reversal of 212434433310 is 13334434212.

It is a happy number.

It is a super-2 number, since 2×212434433310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321870024 + ... + 321870683.

It is an arithmetic number, because the mean of its divisors is an integer number (17380999116).

Almost surely, 2^212434433310 is an apocalyptic number.

212434433310 is an abundant number, since it is smaller than the sum of its proper divisors (343757538402).

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

212434433310 is a wasteful number, since it uses less digits than its factorization.

212434433310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643740728.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 212434433310 its reverse (13334434212), we get a palindrome (225768867522).

The spelling of 212434433310 in words is "two hundred twelve billion, four hundred thirty-four million, four hundred thirty-three thousand, three hundred ten".