212422451155121 has 8 divisors (see below), whose sum is σ = 212522297863680. Its totient is φ = 212322627741888.

The previous prime is 212422451155081. The next prime is 212422451155163. The reversal of 212422451155121 is 121551154224212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212422451155121 is a prime.

It is a super-4 number, since 4×212422451155121⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212422451158121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12431240 + ... + 24070326.

It is an arithmetic number, because the mean of its divisors is an integer number (26565287232960).

Almost surely, 2^{212422451155121} is an apocalyptic number.

It is an amenable number.

212422451155121 is a deficient number, since it is larger than the sum of its proper divisors (99846708559).

212422451155121 is a wasteful number, since it uses less digits than its factorization.

212422451155121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647663.

The product of its digits is 64000, while the sum is 38.

The spelling of 212422451155121 in words is "two hundred twelve trillion, four hundred twenty-two billion, four hundred fifty-one million, one hundred fifty-five thousand, one hundred twenty-one".