1002012000212 has 6 divisors (see below), whose sum is σ = 1753521000378. Its totient is φ = 501006000104.

The previous prime is 1002012000169. The next prime is 1002012000221. The reversal of 1002012000212 is 2120002102001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 581918762896 + 420093237316 = 762836^2 + 648146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002012000193 and 1002012000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125251500023 + ... + 125251500030.

It is an arithmetic number, because the mean of its divisors is an integer number (292253500063).

Almost surely, 2^{1002012000212} is an apocalyptic number.

It is an amenable number.

1002012000212 is a deficient number, since it is larger than the sum of its proper divisors (751509000166).

1002012000212 is a wasteful number, since it uses less digits than its factorization.

1002012000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250503000057 (or 250503000055 counting only the distinct ones).

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

Adding to 1002012000212 its reverse (2120002102001), we get a palindrome (3122014102213).

The spelling of 1002012000212 in words is "one trillion, two billion, twelve million, two hundred twelve", and thus it is an aban number.