1022011211212 has 24 divisors (see below), whose sum is σ = 1884979479600. Its totient is φ = 483512138496.

The previous prime is 1022011211209. The next prime is 1022011211239. The reversal of 1022011211212 is 2121121102201.

It is a super-3 number, since 3×1022011211212³ (a number of 37 digits) contains 333 as substring.

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, 8249713 + ... + 8372680.

It is an arithmetic number, because the mean of its divisors is an integer number (78540811650).

Almost surely, 2^{1022011211212} is an apocalyptic number.

It is an amenable number.

1022011211212 is a deficient number, since it is larger than the sum of its proper divisors (862968268388).

1022011211212 is a wasteful number, since it uses less digits than its factorization.

1022011211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623225 (or 16623223 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022011211212 its reverse (2121121102201), we get a palindrome (3143132313413).

The spelling of 1022011211212 in words is "one trillion, twenty-two billion, eleven million, two hundred eleven thousand, two hundred twelve".