1245435232211 has 4 divisors (see below), whose sum is σ = 1247111458032. Its totient is φ = 1243759006392.

The previous prime is 1245435232199. The next prime is 1245435232273. The reversal of 1245435232211 is 1122325345421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1245435232211 - 2¹⁸ = 1245434970067 is a prime.

It is a super-2 number, since 2×1245435232211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245435222211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838111796 + ... + 838113281.

It is an arithmetic number, because the mean of its divisors is an integer number (311777864508).

Almost surely, 2^{1245435232211} is an apocalyptic number.

1245435232211 is a deficient number, since it is larger than the sum of its proper divisors (1676225821).

1245435232211 is an equidigital number, since it uses as much as digits as its factorization.

1245435232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676225820.

The product of its digits is 57600, while the sum is 35.

The spelling of 1245435232211 in words is "one trillion, two hundred forty-five billion, four hundred thirty-five million, two hundred thirty-two thousand, two hundred eleven".