70121213332123 has 16 divisors (see below), whose sum is σ = 70355050258432. Its totient is φ = 69887755476000.

The previous prime is 70121213332117. The next prime is 70121213332141. The reversal of 70121213332123 is 32123331212107.

It is a cyclic number.

It is not a de Polignac number, because 70121213332123 - 2⁵ = 70121213332091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70121213338123) 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, 4983378178 + ... + 4983392248.

It is an arithmetic number, because the mean of its divisors is an integer number (4397190641152).

Almost surely, 2^{70121213332123} is an apocalyptic number.

70121213332123 is a deficient number, since it is larger than the sum of its proper divisors (233836926309).

70121213332123 is a wasteful number, since it uses less digits than its factorization.

70121213332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26386.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 70121213332123 in words is "seventy trillion, one hundred twenty-one billion, two hundred thirteen million, three hundred thirty-two thousand, one hundred twenty-three".