120211977342 has 64 divisors (see below), whose sum is σ = 250922707200. Its totient is φ = 38346147840.

The previous prime is 120211977337. The next prime is 120211977343. The reversal of 120211977342 is 243779112021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120211977342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211977343) 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, 21583134 + ... + 21588702.

It is an arithmetic number, because the mean of its divisors is an integer number (3920667300).

Almost surely, 2^120211977342 is an apocalyptic number.

120211977342 is an abundant number, since it is smaller than the sum of its proper divisors (130710729858).

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

120211977342 is a wasteful number, since it uses less digits than its factorization.

120211977342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 120211977342 in words is "one hundred twenty billion, two hundred eleven million, nine hundred seventy-seven thousand, three hundred forty-two".