1262200542211 has 24 divisors (see below), whose sum is σ = 1494039654000. Its totient is φ = 1062922641984.

The previous prime is 1262200542209. The next prime is 1262200542217. The reversal of 1262200542211 is 1122450022621.

It is a happy number.

It is not a de Polignac number, because 1262200542211 - 2¹ = 1262200542209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1262200542211.

It is not an unprimeable number, because it can be changed into a prime (1262200542217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4812985 + ... + 5068453.

It is an arithmetic number, because the mean of its divisors is an integer number (62251652250).

Almost surely, 2^{1262200542211} is an apocalyptic number.

1262200542211 is a deficient number, since it is larger than the sum of its proper divisors (231839111789).

1262200542211 is a wasteful number, since it uses less digits than its factorization.

1262200542211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257251 (or 257244 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1262200542211 its reverse (1122450022621), we get a palindrome (2384650564832).

The spelling of 1262200542211 in words is "one trillion, two hundred sixty-two billion, two hundred million, five hundred forty-two thousand, two hundred eleven".