1202012011 has 4 divisors (see below), whose sum is σ = 1240786624. Its totient is φ = 1163237400.

The previous prime is 1202012003. The next prime is 1202012023. The reversal of 1202012011 is 1102102021.

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 1202012011 - 2³ = 1202012003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19387260 + ... + 19387321.

It is an arithmetic number, because the mean of its divisors is an integer number (310196656).

Almost surely, 2^1202012011 is an apocalyptic number.

1202012011 is a deficient number, since it is larger than the sum of its proper divisors (38774613).

1202012011 is an equidigital number, since it uses as much as digits as its factorization.

1202012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38774612.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1202012011 is about 34670.0448658493. The cubic root of 1202012011 is about 1063.2521488732.

Adding to 1202012011 its reverse (1102102021), we get a palindrome (2304114032).

The spelling of 1202012011 in words is "one billion, two hundred two million, twelve thousand, eleven".