1001022020212 has 24 divisors (see below), whose sum is σ = 1759702077504. Its totient is φ = 498252429312.

The previous prime is 1001022020153. The next prime is 1001022020269. The reversal of 1001022020212 is 2120202201001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001022020192 and 1001022020201.

It is a congruent number.

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, 1349023 + ... + 1954969.

It is an arithmetic number, because the mean of its divisors is an integer number (73320919896).

Almost surely, 2^{1001022020212} is an apocalyptic number.

It is an amenable number.

1001022020212 is a deficient number, since it is larger than the sum of its proper divisors (758680057292).

1001022020212 is a wasteful number, since it uses less digits than its factorization.

1001022020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607815 (or 607813 counting only the distinct ones).

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

Adding to 1001022020212 its reverse (2120202201001), we get a palindrome (3121224221213).

The spelling of 1001022020212 in words is "one trillion, one billion, twenty-two million, twenty thousand, two hundred twelve".