1201441304121 has 16 divisors (see below), whose sum is σ = 1641025730304. Its totient is φ = 781632325584.

The previous prime is 1201441304117. The next prime is 1201441304149. The reversal of 1201441304121 is 1214031441021.

It is a happy number.

It is not a de Polignac number, because 1201441304121 - 2² = 1201441304117 is a prime.

It is a super-2 number, since 2×1201441304121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201441304091 and 1201441304100.

It is not an unprimeable number, because it can be changed into a prime (1201441304101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27909895 + ... + 27952908.

It is an arithmetic number, because the mean of its divisors is an integer number (102564108144).

Almost surely, 2^{1201441304121} is an apocalyptic number.

It is an amenable number.

1201441304121 is a deficient number, since it is larger than the sum of its proper divisors (439584426183).

1201441304121 is a wasteful number, since it uses less digits than its factorization.

1201441304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55862980.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1201441304121 its reverse (1214031441021), we get a palindrome (2415472745142).

It can be divided in two parts, 120144130 and 4121, that added together give a triangular number (120148251 = T₁₅₅₀₁).

The spelling of 1201441304121 in words is "one trillion, two hundred one billion, four hundred forty-one million, three hundred four thousand, one hundred twenty-one".