2120122415342 has 4 divisors (see below), whose sum is σ = 3180183623016. Its totient is φ = 1060061207670.

The previous prime is 2120122415317. The next prime is 2120122415387. The reversal of 2120122415342 is 2435142210212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530030603834 + ... + 530030603837.

It is an arithmetic number, because the mean of its divisors is an integer number (795045905754).

Almost surely, 2^{2120122415342} is an apocalyptic number.

2120122415342 is a deficient number, since it is larger than the sum of its proper divisors (1060061207674).

2120122415342 is a wasteful number, since it uses less digits than its factorization.

2120122415342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060061207673.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2120122415342 its reverse (2435142210212), we get a palindrome (4555264625554).

The spelling of 2120122415342 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, four hundred fifteen thousand, three hundred forty-two".