121270394270 has 24 divisors (see below), whose sum is σ = 230380163064. Its totient is φ = 45955095408.

The previous prime is 121270394269. The next prime is 121270394279. The reversal of 121270394270 is 72493072121.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121270394279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16792844 + ... + 16800063.

It is an arithmetic number, because the mean of its divisors is an integer number (9599173461).

Almost surely, 2^121270394270 is an apocalyptic number.

121270394270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121270394270 is a deficient number, since it is larger than the sum of its proper divisors (109109768794).

121270394270 is a wasteful number, since it uses less digits than its factorization.

121270394270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33592952 (or 33592933 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 121270394270 in words is "one hundred twenty-one billion, two hundred seventy million, three hundred ninety-four thousand, two hundred seventy".