312020212011121 has 8 divisors (see below), whose sum is σ = 323041123119104. Its totient is φ = 301059034839360.

The previous prime is 312020212011119. The next prime is 312020212011127. The reversal of 312020212011121 is 121110212020213.

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

It is a cyclic number.

It is not a de Polignac number, because 312020212011121 - 2¹ = 312020212011119 is a prime.

It is a super-2 number, since 2×312020212011121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312020212011127) 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, 14933473425 + ... + 14933494318.

It is an arithmetic number, because the mean of its divisors is an integer number (40380140389888).

Almost surely, 2^{312020212011121} is an apocalyptic number.

312020212011121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

312020212011121 is a deficient number, since it is larger than the sum of its proper divisors (11020911107983).

312020212011121 is a wasteful number, since it uses less digits than its factorization.

312020212011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29866968111.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 312020212011121 its reverse (121110212020213), we get a palindrome (433130424031334).

The spelling of 312020212011121 in words is "three hundred twelve trillion, twenty billion, two hundred twelve million, eleven thousand, one hundred twenty-one".