121420134092 has 6 divisors (see below), whose sum is σ = 212485234668. Its totient is φ = 60710067044.

The previous prime is 121420134091. The next prime is 121420134103. The reversal of 121420134092 is 290431024121.

It is not an unprimeable number, because it can be changed into a prime (121420134091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177516758 + ... + 15177516765.

It is an arithmetic number, because the mean of its divisors is an integer number (35414205778).

Almost surely, 2^121420134092 is an apocalyptic number.

It is an amenable number.

121420134092 is a deficient number, since it is larger than the sum of its proper divisors (91065100576).

121420134092 is a wasteful number, since it uses less digits than its factorization.

121420134092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30355033527 (or 30355033525 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 121420134092 in words is "one hundred twenty-one billion, four hundred twenty million, one hundred thirty-four thousand, ninety-two".