1210000211212 has 24 divisors (see below), whose sum is σ = 2280415134816. Its totient is φ = 558454259328.

The previous prime is 1210000211209. The next prime is 1210000211227. The reversal of 1210000211212 is 2121120000121.

It is a super-2 number, since 2×1210000211212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1210000211192 and 1210000211201.

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, 6934713 + ... + 7107055.

It is an arithmetic number, because the mean of its divisors is an integer number (95017297284).

Almost surely, 2^{1210000211212} is an apocalyptic number.

It is an amenable number.

1210000211212 is a deficient number, since it is larger than the sum of its proper divisors (1070414923604).

1210000211212 is a wasteful number, since it uses less digits than its factorization.

1210000211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307377 (or 307375 counting only the distinct ones).

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

Adding to 1210000211212 its reverse (2121120000121), we get a palindrome (3331120211333).

The spelling of 1210000211212 in words is "one trillion, two hundred ten billion, two hundred eleven thousand, two hundred twelve".