6912121233672 has 64 divisors (see below), whose sum is σ = 19322631993600. Its totient is φ = 2289364983360.

The previous prime is 6912121233671. The next prime is 6912121233673. The reversal of 6912121233672 is 2763321212196.

It is a happy number.

6912121233672 is a `hidden beast` number, since 6 + 91 + 212 + 12 + 336 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6912121233671) and next prime (6912121233673).

It is not an unprimeable number, because it can be changed into a prime (6912121233671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101878704 + ... + 101946527.

It is an arithmetic number, because the mean of its divisors is an integer number (301916124900).

Almost surely, 2^{6912121233672} is an apocalyptic number.

It is an amenable number.

6912121233672 is an abundant number, since it is smaller than the sum of its proper divisors (12410510759928).

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

6912121233672 is a wasteful number, since it uses less digits than its factorization.

6912121233672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203825403 (or 203825393 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 6912121233672 in words is "six trillion, nine hundred twelve billion, one hundred twenty-one million, two hundred thirty-three thousand, six hundred seventy-two".