121269257212 has 24 divisors (see below), whose sum is σ = 217240362416. Its totient is φ = 59201670528.

The previous prime is 121269257209. The next prime is 121269257227. The reversal of 121269257212 is 212752962121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315418 + ... + 584830.

Almost surely, 2^121269257212 is an apocalyptic number.

It is an amenable number.

121269257212 is a deficient number, since it is larger than the sum of its proper divisors (95971105204).

121269257212 is a wasteful number, since it uses less digits than its factorization.

121269257212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272077 (or 272075 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The spelling of 121269257212 in words is "one hundred twenty-one billion, two hundred sixty-nine million, two hundred fifty-seven thousand, two hundred twelve".