211212000000002 has 32 divisors (see below), whose sum is σ = 324991843296624. Its totient is φ = 102888529459200.

The previous prime is 211211999999981. The next prime is 211212000000031. The reversal of 211212000000002 is 200000000212112.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 140509279102921 + 70702720897081 = 11853661^2 + 8408491^2 .

It is a super-2 number, since 2×211212000000002² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212000000002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306944852 + ... + 307632192.

Almost surely, 2^{211212000000002} is an apocalyptic number.

211212000000002 is a deficient number, since it is larger than the sum of its proper divisors (113779843296622).

211212000000002 is a wasteful number, since it uses less digits than its factorization.

211212000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692534.

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

Adding to 211212000000002 its reverse (200000000212112), we get a palindrome (411212000212114).

The spelling of 211212000000002 in words is "two hundred eleven trillion, two hundred twelve billion, two", and thus it is an aban number.