67515152212 has 6 divisors (see below), whose sum is σ = 118151516378. Its totient is φ = 33757576104.

The previous prime is 67515152207. The next prime is 67515152233. The reversal of 67515152212 is 21225151576.

It can be written as a sum of positive squares in only one way, i.e., 46171695376 + 21343456836 = 214876^2 + 146094^2 .

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, 8439394023 + ... + 8439394030.

Almost surely, 2^67515152212 is an apocalyptic number.

It is an amenable number.

67515152212 is a deficient number, since it is larger than the sum of its proper divisors (50636364166).

67515152212 is a wasteful number, since it uses less digits than its factorization.

67515152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16878788057 (or 16878788055 counting only the distinct ones).

The product of its digits is 42000, while the sum is 37.

The spelling of 67515152212 in words is "sixty-seven billion, five hundred fifteen million, one hundred fifty-two thousand, two hundred twelve".