3216120542 has 4 divisors (see below), whose sum is σ = 4824180816. Its totient is φ = 1608060270.

The previous prime is 3216120493. The next prime is 3216120547. The reversal of 3216120542 is 2450216123.

It is a happy number.

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 (3216120547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804030134 + ... + 804030137.

It is an arithmetic number, because the mean of its divisors is an integer number (1206045204).

Almost surely, 2^3216120542 is an apocalyptic number.

3216120542 is a deficient number, since it is larger than the sum of its proper divisors (1608060274).

3216120542 is a wasteful number, since it uses less digits than its factorization.

3216120542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608060273.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3216120542 is about 56710.8503022129. The cubic root of 3216120542 is about 1476.0829801224.

Adding to 3216120542 its reverse (2450216123), we get a palindrome (5666336665).

The spelling of 3216120542 in words is "three billion, two hundred sixteen million, one hundred twenty thousand, five hundred forty-two".