12121010220003 has 8 divisors (see below), whose sum is σ = 16219691173968. Its totient is φ = 8051501373024.

The previous prime is 12121010219977. The next prime is 12121010220017. The reversal of 12121010220003 is 30002201012121.

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

It is not a de Polignac number, because 12121010220003 - 2⁶ = 12121010219939 is a prime.

It is a super-2 number, since 2×12121010220003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12121010220083) 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, 7293025776 + ... + 7293027437.

It is an arithmetic number, because the mean of its divisors is an integer number (2027461396746).

Almost surely, 2^{12121010220003} is an apocalyptic number.

12121010220003 is a deficient number, since it is larger than the sum of its proper divisors (4098680953965).

12121010220003 is a wasteful number, since it uses less digits than its factorization.

12121010220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586053493.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12121010220003 its reverse (30002201012121), we get a palindrome (42123211232124).

The spelling of 12121010220003 in words is "twelve trillion, one hundred twenty-one billion, ten million, two hundred twenty thousand, three".