212402055234 has 8 divisors (see below), whose sum is σ = 424804110480. Its totient is φ = 70800685076.

The previous prime is 212402055223. The next prime is 212402055247. The reversal of 212402055234 is 432550204212.

It is a sphenic number, since it is the product of 3 distinct primes.

212402055234 is an admirable number.

It is a super-2 number, since 2×212402055234² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17700171264 + ... + 17700171275.

It is an arithmetic number, because the mean of its divisors is an integer number (53100513810).

Almost surely, 2^212402055234 is an apocalyptic number.

212402055234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212402055234 is a wasteful number, since it uses less digits than its factorization.

212402055234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35400342544.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 212402055234 its reverse (432550204212), we get a palindrome (644952259446).

The spelling of 212402055234 in words is "two hundred twelve billion, four hundred two million, fifty-five thousand, two hundred thirty-four".