20100212002 has 16 divisors (see below), whose sum is σ = 32565936312. Its totient is φ = 9249488640.

The previous prime is 20100211997. The next prime is 20100212009. The reversal of 20100212002 is 20021200102.

It can be written as a sum of positive squares in 4 ways, for example, as 6604975441 + 13495236561 = 81271^2 + 116169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20100212002.

It is not an unprimeable number, because it can be changed into a prime (20100212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138249 + ... + 1155772.

Almost surely, 2^20100212002 is an apocalyptic number.

20100212002 is a deficient number, since it is larger than the sum of its proper divisors (12465724310).

20100212002 is a wasteful number, since it uses less digits than its factorization.

20100212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294373.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20100212002 its reverse (20021200102), we get a palindrome (40121412104).

The spelling of 20100212002 in words is "twenty billion, one hundred million, two hundred twelve thousand, two".