201212121001120 has 48 divisors (see below), whose sum is σ = 479806286708448. Its totient is φ = 79732653548800.

The previous prime is 201212121001081. The next prime is 201212121001187. The reversal of 201212121001120 is 21100121212102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 201212121001094 and 201212121001103.

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, 5876505106 + ... + 5876539345.

It is an arithmetic number, because the mean of its divisors is an integer number (9995964306426).

Almost surely, 2^{201212121001120} is an apocalyptic number.

201212121001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212121001120 is an abundant number, since it is smaller than the sum of its proper divisors (278594165707328).

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

201212121001120 is a wasteful number, since it uses less digits than its factorization.

201212121001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753044573 (or 11753044565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201212121001120 its reverse (21100121212102), we get a palindrome (222312242213222).

The spelling of 201212121001120 in words is "two hundred one trillion, two hundred twelve billion, one hundred twenty-one million, one thousand, one hundred twenty".