212002001012 has 24 divisors (see below), whose sum is σ = 383830343400. Its totient is φ = 102336829056.

The previous prime is 212002000993. The next prime is 212002001021. The reversal of 212002001012 is 210100200212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14533749136 + 197468251876 = 120556^2 + 444374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212002000984 and 212002001002.

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, 1361414 + ... + 1509122.

It is an arithmetic number, because the mean of its divisors is an integer number (15992930975).

Almost surely, 2^212002001012 is an apocalyptic number.

It is an amenable number.

212002001012 is a deficient number, since it is larger than the sum of its proper divisors (171828342388).

212002001012 is a wasteful number, since it uses less digits than its factorization.

212002001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160115 (or 160113 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212002001012 its reverse (210100200212), we get a palindrome (422102201224).

The spelling of 212002001012 in words is "two hundred twelve billion, two million, one thousand, twelve".