212012221202 has 32 divisors (see below), whose sum is σ = 341028230400. Its totient is φ = 98551198800.

The previous prime is 212012221199. The next prime is 212012221271. The reversal of 212012221202 is 202122210212.

It is a happy 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, 1197377 + ... + 1362987.

It is an arithmetic number, because the mean of its divisors is an integer number (10657132200).

Almost surely, 2^212012221202 is an apocalyptic number.

212012221202 is a deficient number, since it is larger than the sum of its proper divisors (129016009198).

212012221202 is a wasteful number, since it uses less digits than its factorization.

212012221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166262.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212012221202 its reverse (202122210212), we get a palindrome (414134431414).

The spelling of 212012221202 in words is "two hundred twelve billion, twelve million, two hundred twenty-one thousand, two hundred two".