1020212122112 has 80 divisors (see below), whose sum is σ = 2191372064640. Its totient is φ = 472976068608.

The previous prime is 1020212122109. The next prime is 1020212122123. The reversal of 1020212122112 is 2112212120201.

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, 658463 + ... + 1572894.

It is an arithmetic number, because the mean of its divisors is an integer number (27392150808).

Almost surely, 2^{1020212122112} is an apocalyptic number.

It is an amenable number.

1020212122112 is an abundant number, since it is smaller than the sum of its proper divisors (1171159942528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020212122112 is an equidigital number, since it uses as much as digits as its factorization.

1020212122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231441 (or 2231425 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1020212122112 its reverse (2112212120201), we get a palindrome (3132424242313).

The spelling of 1020212122112 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twelve".