1200042012030 has 64 divisors (see below), whose sum is σ = 3071457688320. Its totient is φ = 299020184064.

The previous prime is 1200042011977. The next prime is 1200042012031. The reversal of 1200042012030 is 302102400021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200042012031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8393224 + ... + 8535003.

It is an arithmetic number, because the mean of its divisors is an integer number (47991526380).

Almost surely, 2^{1200042012030} is an apocalyptic number.

1200042012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200042012030 is an abundant number, since it is smaller than the sum of its proper divisors (1871415676290).

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

1200042012030 is a wasteful number, since it uses less digits than its factorization.

1200042012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16928393.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1200042012030 its reverse (302102400021), we get a palindrome (1502144412051).

The spelling of 1200042012030 in words is "one trillion, two hundred billion, forty-two million, twelve thousand, thirty".