1223001231210 has 96 divisors (see below), whose sum is σ = 3562629737472. Its totient is φ = 288472026240.

The previous prime is 1223001231209. The next prime is 1223001231223. The reversal of 1223001231210 is 121321003221.

1223001231210 is a `hidden beast` number, since 1 + 223 + 0 + 0 + 1 + 231 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16657354 + ... + 16730613.

It is an arithmetic number, because the mean of its divisors is an integer number (37110726432).

Almost surely, 2^{1223001231210} is an apocalyptic number.

1223001231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223001231210 is an abundant number, since it is smaller than the sum of its proper divisors (2339628506262).

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

1223001231210 is a wasteful number, since it uses less digits than its factorization.

1223001231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33388028 (or 33388025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1223001231210 its reverse (121321003221), we get a palindrome (1344322234431).

The spelling of 1223001231210 in words is "one trillion, two hundred twenty-three billion, one million, two hundred thirty-one thousand, two hundred ten".