1210330121212 has 12 divisors (see below), whose sum is σ = 2119541494000. Its totient is φ = 604746837216.

The previous prime is 1210330121191. The next prime is 1210330121233. The reversal of 1210330121212 is 2121210330121.

It is an interprime number because it is at equal distance from previous prime (1210330121191) and next prime (1210330121233).

It is a super-2 number, since 2×1210330121212² (a number of 25 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 1210330121212.

It is a congruent number.

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, 104549337 + ... + 104560912.

Almost surely, 2^{1210330121212} is an apocalyptic number.

It is an amenable number.

1210330121212 is a deficient number, since it is larger than the sum of its proper divisors (909211372788).

1210330121212 is a wasteful number, since it uses less digits than its factorization.

1210330121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209111700 (or 209111698 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1210330121212 its reverse (2121210330121), we get a palindrome (3331540451333).

It can be divided in two parts, 1210330121 and 212, that multiplied together give a palindrome (256589985652).

The spelling of 1210330121212 in words is "one trillion, two hundred ten billion, three hundred thirty million, one hundred twenty-one thousand, two hundred twelve".