210000001211212 has 12 divisors (see below), whose sum is σ = 369424085901696. Its totient is φ = 104450262382160.

The previous prime is 210000001211201. The next prime is 210000001211239. The reversal of 210000001211212 is 212112100000012.

It is a junction number, because it is equal to n+sod(n) for n = 210000001211192 and 210000001211201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137434555003 + ... + 137434556530.

It is an arithmetic number, because the mean of its divisors is an integer number (30785340491808).

Almost surely, 2^{210000001211212} is an apocalyptic number.

It is an amenable number.

210000001211212 is a deficient number, since it is larger than the sum of its proper divisors (159424084690484).

210000001211212 is a wasteful number, since it uses less digits than its factorization.

210000001211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274869111728 (or 274869111726 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210000001211212 its reverse (212112100000012), we get a palindrome (422112101211224).

The spelling of 210000001211212 in words is "two hundred ten trillion, one million, two hundred eleven thousand, two hundred twelve".