1201434012 has 48 divisors (see below), whose sum is σ = 3138643200. Its totient is φ = 397416240.

The previous prime is 1201434007. The next prime is 1201434019. The reversal of 1201434012 is 2104341021.

1201434012 is a `hidden beast` number, since 120 + 143 + 401 + 2 = 666.

It is a super-2 number, since 2×1201434012² = 2886887370380832288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201434019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28312 + ... + 56607.

It is an arithmetic number, because the mean of its divisors is an integer number (65388400).

Almost surely, 2^1201434012 is an apocalyptic number.

1201434012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201434012 is an abundant number, since it is smaller than the sum of its proper divisors (1937209188).

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

1201434012 is a wasteful number, since it uses less digits than its factorization.

1201434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85063 (or 85055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1201434012 is about 34661.7081517919. The cubic root of 1201434012 is about 1063.0816965525.

Adding to 1201434012 its reverse (2104341021), we get a palindrome (3305775033).

The spelling of 1201434012 in words is "one billion, two hundred one million, four hundred thirty-four thousand, twelve".