121120221001212 has 96 divisors (see below), whose sum is σ = 330573665318400. Its totient is φ = 38244886128000.

The previous prime is 121120221001181. The next prime is 121120221001229. The reversal of 121120221001212 is 212100122021121.

121120221001212 is a `hidden beast` number, since 1 + 211 + 20 + 221 + 0 + 0 + 1 + 212 = 666.

121120221001212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121120221001212³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19038712 + ... + 24590912.

It is an arithmetic number, because the mean of its divisors is an integer number (3443475680400).

Almost surely, 2^{121120221001212} is an apocalyptic number.

121120221001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121120221001212 is an abundant number, since it is smaller than the sum of its proper divisors (209453444317188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121120221001212 is a wasteful number, since it uses less digits than its factorization.

121120221001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562864 (or 5562856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121120221001212 its reverse (212100122021121), we get a palindrome (333220343022333).

The spelling of 121120221001212 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, one thousand, two hundred twelve".