1201323031210 has 16 divisors (see below), whose sum is σ = 2162847871656. Its totient is φ = 480425564608.

The previous prime is 1201323031201. The next prime is 1201323031213. The reversal of 1201323031210 is 121303231021.

It can be written as a sum of positive squares in 4 ways, for example, as 1086124561929 + 115198469281 = 1042173^2 + 339409^2 .

It is not an unprimeable number, because it can be changed into a prime (1201323031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12907297 + ... + 13000036.

Almost surely, 2^{1201323031210} is an apocalyptic number.

1201323031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201323031210 is a deficient number, since it is larger than the sum of its proper divisors (961524840446).

1201323031210 is a wasteful number, since it uses less digits than its factorization.

1201323031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25911977.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201323031210 its reverse (121303231021), we get a palindrome (1322626262231).

The spelling of 1201323031210 in words is "one trillion, two hundred one billion, three hundred twenty-three million, thirty-one thousand, two hundred ten".