212202210111212 has 6 divisors (see below), whose sum is σ = 371353867694628. Its totient is φ = 106101105055604.

The previous prime is 212202210111191. The next prime is 212202210111239. The reversal of 212202210111212 is 212111012202212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525276263898 + ... + 26525276263905.

It is an arithmetic number, because the mean of its divisors is an integer number (61892311282438).

Almost surely, 2^{212202210111212} is an apocalyptic number.

It is an amenable number.

212202210111212 is a deficient number, since it is larger than the sum of its proper divisors (159151657583416).

212202210111212 is a wasteful number, since it uses less digits than its factorization.

212202210111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53050552527807 (or 53050552527805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202210111212 its reverse (212111012202212), we get a palindrome (424313222313424).

The spelling of 212202210111212 in words is "two hundred twelve trillion, two hundred two billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".