1201111012410 has 64 divisors (see below), whose sum is σ = 2895538060800. Its totient is φ = 318868733952.

The previous prime is 1201111012397. The next prime is 1201111012457. The reversal of 1201111012410 is 142101111021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201111012410.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7231071 + ... + 7395309.

It is an arithmetic number, because the mean of its divisors is an integer number (45242782200).

Almost surely, 2^{1201111012410} is an apocalyptic number.

1201111012410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201111012410 is an abundant number, since it is smaller than the sum of its proper divisors (1694427048390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201111012410 is a wasteful number, since it uses less digits than its factorization.

1201111012410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165335.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1201111012410 its reverse (142101111021), we get a palindrome (1343212123431).

The spelling of 1201111012410 in words is "one trillion, two hundred one billion, one hundred eleven million, twelve thousand, four hundred ten".