2120332120078 has 4 divisors (see below), whose sum is σ = 3180498180120. Its totient is φ = 1060166060038.

The previous prime is 2120332120069. The next prime is 2120332120079. The reversal of 2120332120078 is 8700212330212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120332120079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530083030018 + ... + 530083030021.

It is an arithmetic number, because the mean of its divisors is an integer number (795124545030).

Almost surely, 2^{2120332120078} is an apocalyptic number.

2120332120078 is a deficient number, since it is larger than the sum of its proper divisors (1060166060042).

2120332120078 is a wasteful number, since it uses less digits than its factorization.

2120332120078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060166060041.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 2120332120078 in words is "two trillion, one hundred twenty billion, three hundred thirty-two million, one hundred twenty thousand, seventy-eight".