212012360436 has 24 divisors (see below), whose sum is σ = 496256070240. Its totient is φ = 70447849312.

The previous prime is 212012360419. The next prime is 212012360449. The reversal of 212012360436 is 634063210212.

It is a super-2 number, since 2×212012360436² (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, 27863226 + ... + 27870833.

It is an arithmetic number, because the mean of its divisors is an integer number (20677336260).

Almost surely, 2^212012360436 is an apocalyptic number.

It is an amenable number.

212012360436 is an abundant number, since it is smaller than the sum of its proper divisors (284243709804).

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

212012360436 is a wasteful number, since it uses less digits than its factorization.

212012360436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55734383 (or 55734381 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 212012360436 its reverse (634063210212), we get a palindrome (846075570648).

The spelling of 212012360436 in words is "two hundred twelve billion, twelve million, three hundred sixty thousand, four hundred thirty-six".