10220120111212 has 72 divisors (see below), whose sum is σ = 19775930389488. Its totient is φ = 4617929162880.

The previous prime is 10220120111203. The next prime is 10220120111239. The reversal of 10220120111212 is 21211102102201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71672578 + ... + 71815030.

It is an arithmetic number, because the mean of its divisors is an integer number (274665699854).

Almost surely, 2^{10220120111212} is an apocalyptic number.

It is an amenable number.

10220120111212 is a deficient number, since it is larger than the sum of its proper divisors (9555810278276).

10220120111212 is a wasteful number, since it uses less digits than its factorization.

10220120111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143359 (or 143346 counting only the distinct ones).

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

Adding to 10220120111212 its reverse (21211102102201), we get a palindrome (31431222213413).

The spelling of 10220120111212 in words is "ten trillion, two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".