20022100001212 has 6 divisors (see below), whose sum is σ = 35038675002128. Its totient is φ = 10011050000604.

The previous prime is 20022100001179. The next prime is 20022100001231. The reversal of 20022100001212 is 21210000122002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022100001192 and 20022100001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502762500148 + ... + 2502762500155.

Almost surely, 2^{20022100001212} is an apocalyptic number.

It is an amenable number.

20022100001212 is a deficient number, since it is larger than the sum of its proper divisors (15016575000916).

20022100001212 is a wasteful number, since it uses less digits than its factorization.

20022100001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005525000307 (or 5005525000305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022100001212 its reverse (21210000122002), we get a palindrome (41232100123214).

The spelling of 20022100001212 in words is "twenty trillion, twenty-two billion, one hundred million, one thousand, two hundred twelve".