78302124112 has 20 divisors (see below), whose sum is σ = 153630752320. Its totient is φ = 38655478368.

The previous prime is 78302124107. The next prime is 78302124139. The reversal of 78302124112 is 21142120387.

It is a super-2 number, since 2×78302124112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30972678 + ... + 30975205.

It is an arithmetic number, because the mean of its divisors is an integer number (7681537616).

Almost surely, 2^78302124112 is an apocalyptic number.

It is an amenable number.

78302124112 is a deficient number, since it is larger than the sum of its proper divisors (75328628208).

78302124112 is a wasteful number, since it uses less digits than its factorization.

78302124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61947970 (or 61947964 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 78302124112 its reverse (21142120387), we get a palindrome (99444244499).

The spelling of 78302124112 in words is "seventy-eight billion, three hundred two million, one hundred twenty-four thousand, one hundred twelve".