121120221212012 has 24 divisors (see below), whose sum is σ = 231279251086800. Its totient is φ = 55042803656960.

The previous prime is 121120221212009. The next prime is 121120221212033. The reversal of 121120221212012 is 210212122021121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295851833 + ... + 296260944.

It is an arithmetic number, because the mean of its divisors is an integer number (9636635461950).

Almost surely, 2^{121120221212012} is an apocalyptic number.

It is an amenable number.

121120221212012 is a deficient number, since it is larger than the sum of its proper divisors (110159029874788).

121120221212012 is a wasteful number, since it uses less digits than its factorization.

121120221212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592117441 (or 592117439 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121120221212012 its reverse (210212122021121), we get a palindrome (331332343233133).

The spelling of 121120221212012 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twelve thousand, twelve".