1020001122212 has 48 divisors (see below), whose sum is σ = 1814084630064. Its totient is φ = 501758400000.

The previous prime is 1020001122163. The next prime is 1020001122227. The reversal of 1020001122212 is 2122211000201.

It can be written as a sum of positive squares in 8 ways, for example, as 32632977316 + 987368144896 = 180646^2 + 993664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199958462 + ... + 199963562.

It is an arithmetic number, because the mean of its divisors is an integer number (37793429793).

Almost surely, 2^{1020001122212} is an apocalyptic number.

It is an amenable number.

1020001122212 is a deficient number, since it is larger than the sum of its proper divisors (794083507852).

1020001122212 is a wasteful number, since it uses less digits than its factorization.

1020001122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020001122212 its reverse (2122211000201), we get a palindrome (3142212122413).

The spelling of 1020001122212 in words is "one trillion, twenty billion, one million, one hundred twenty-two thousand, two hundred twelve".