1211452541121 has 8 divisors (see below), whose sum is σ = 1700284268320. Its totient is φ = 765127920672.

The previous prime is 1211452541119. The next prime is 1211452541219.

It is a happy number.

1211452541121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211452541121 - 2¹ = 1211452541119 is a prime.

It is a super-3 number, since 3×1211452541121³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211452541021) 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, 10626776620 + ... + 10626776733.

It is an arithmetic number, because the mean of its divisors is an integer number (212535533540).

Almost surely, 2^{1211452541121} is an apocalyptic number.

It is an amenable number.

1211452541121 is a deficient number, since it is larger than the sum of its proper divisors (488831727199).

1211452541121 is a wasteful number, since it uses less digits than its factorization.

1211452541121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21253553375.

The product of its digits is 3200, while the sum is 30.

The spelling of 1211452541121 in words is "one trillion, two hundred eleven billion, four hundred fifty-two million, five hundred forty-one thousand, one hundred twenty-one".