1210143012121 has 8 divisors (see below), whose sum is σ = 1249646298560. Its totient is φ = 1171156108752.

The previous prime is 1210143012119. The next prime is 1210143012137. The reversal of 1210143012121 is 1212103410121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210143012121 - 2¹ = 1210143012119 is a prime.

It is a super-2 number, since 2×1210143012121² (a number of 25 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210143010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129091005 + ... + 129100378.

It is an arithmetic number, because the mean of its divisors is an integer number (156205787320).

Almost surely, 2^{1210143012121} is an apocalyptic number.

It is an amenable number.

1210143012121 is a deficient number, since it is larger than the sum of its proper divisors (39503286439).

1210143012121 is a wasteful number, since it uses less digits than its factorization.

1210143012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258191535.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1210143012121 its reverse (1212103410121), we get a palindrome (2422246422242).

The spelling of 1210143012121 in words is "one trillion, two hundred ten billion, one hundred forty-three million, twelve thousand, one hundred twenty-one".