1201122010010 has 16 divisors (see below), whose sum is σ = 2328328819656. Its totient is φ = 443491203648.

The previous prime is 1201122009973. The next prime is 1201122010013. The reversal of 1201122010010 is 100102211021.

It can be written as a sum of positive squares in 4 ways, for example, as 486797848681 + 714324161329 = 697709^2 + 845177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201122009973 and 1201122010000.

It is not an unprimeable number, because it can be changed into a prime (1201122010013) 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, 4619699909 + ... + 4619700168.

Almost surely, 2^{1201122010010} is an apocalyptic number.

1201122010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201122010010 is a deficient number, since it is larger than the sum of its proper divisors (1127206809646).

1201122010010 is a wasteful number, since it uses less digits than its factorization.

1201122010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239400097.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201122010010 its reverse (100102211021), we get a palindrome (1301224221031).

The spelling of 1201122010010 in words is "one trillion, two hundred one billion, one hundred twenty-two million, ten thousand, ten".