1020002212012 has 72 divisors (see below), whose sum is σ = 2205537737760. Its totient is φ = 404035188480.

The previous prime is 1020002211953. The next prime is 1020002212013. The reversal of 1020002212012 is 2102122000201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020002211983 and 1020002212001.

It is not an unprimeable number, because it can be changed into a prime (1020002212013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816187 + ... + 1645042.

It is an arithmetic number, because the mean of its divisors is an integer number (30632468580).

Almost surely, 2^{1020002212012} is an apocalyptic number.

It is an amenable number.

1020002212012 is an abundant number, since it is smaller than the sum of its proper divisors (1185535525748).

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

1020002212012 is a wasteful number, since it uses less digits than its factorization.

1020002212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461319 (or 2461298 counting only the distinct ones).

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

Adding to 1020002212012 its reverse (2102122000201), we get a palindrome (3122124212213).

The spelling of 1020002212012 in words is "one trillion, twenty billion, two million, two hundred twelve thousand, twelve".