1210122121012 has 96 divisors (see below), whose sum is σ = 2630427484160. Its totient is φ = 475366320000.

The previous prime is 1210122120967. The next prime is 1210122121057. The reversal of 1210122121012 is 2101212210121.

It is an interprime number because it is at equal distance from previous prime (1210122120967) and next prime (1210122121057).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122217262 + ... + 122227162.

Almost surely, 2^{1210122121012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210122121012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315213742080).

1210122121012 is an abundant number, since it is smaller than the sum of its proper divisors (1420305363148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210122121012 is a wasteful number, since it uses less digits than its factorization.

1210122121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17373 (or 17371 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210122121012 its reverse (2101212210121), we get a palindrome (3311334331133).

The spelling of 1210122121012 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, one hundred twenty-one thousand, twelve".