1210122122012 has 12 divisors (see below), whose sum is σ = 2242285108560. Its totient is φ = 569469233856.

The previous prime is 1210122121993. The next prime is 1210122122059. The reversal of 1210122122012 is 2102212210121.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 8897956712 + ... + 8897956847.

It is an arithmetic number, because the mean of its divisors is an integer number (186857092380).

Almost surely, 2^{1210122122012} is an apocalyptic number.

It is an amenable number.

1210122122012 is a deficient number, since it is larger than the sum of its proper divisors (1032162986548).

1210122122012 is a wasteful number, since it uses less digits than its factorization.

1210122122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17795913580 (or 17795913578 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210122122012 its reverse (2102212210121), we get a palindrome (3312334332133).

The spelling of 1210122122012 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".