212530220034 has 32 divisors (see below), whose sum is σ = 463718654784. Its totient is φ = 64400825280.

The previous prime is 212530220017. The next prime is 212530220057. The reversal of 212530220034 is 430022035212.

It is a super-2 number, since 2×212530220034² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212530219986 and 212530220013.

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, 3566992 + ... + 3626084.

It is an arithmetic number, because the mean of its divisors is an integer number (14491207962).

Almost surely, 2^212530220034 is an apocalyptic number.

212530220034 is an abundant number, since it is smaller than the sum of its proper divisors (251188434750).

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

212530220034 is a wasteful number, since it uses less digits than its factorization.

212530220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113602.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 212530220034 its reverse (430022035212), we get a palindrome (642552255246).

The spelling of 212530220034 in words is "two hundred twelve billion, five hundred thirty million, two hundred twenty thousand, thirty-four".