1201001122010 has 16 divisors (see below), whose sum is σ = 2161814501736. Its totient is φ = 480397675008.

The previous prime is 1201001121979. The next prime is 1201001122021. The reversal of 1201001122010 is 102211001021.

It can be written as a sum of positive squares in 4 ways, for example, as 699837652969 + 501163469041 = 836563^2 + 707929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201001121982 and 1201001122000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179774 + ... + 3537366.

Almost surely, 2^{1201001122010} is an apocalyptic number.

1201001122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201001122010 is a deficient number, since it is larger than the sum of its proper divisors (960813379726).

1201001122010 is a wasteful number, since it uses less digits than its factorization.

1201001122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693457.

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

Adding to 1201001122010 its reverse (102211001021), we get a palindrome (1303212123031).

The spelling of 1201001122010 in words is "one trillion, two hundred one billion, one million, one hundred twenty-two thousand, ten".