12020011121210 has 8 divisors (see below), whose sum is σ = 21636020018196. Its totient is φ = 4808004448480.

The previous prime is 12020011121203. The next prime is 12020011121249. The reversal of 12020011121210 is 1212111002021.

It can be written as a sum of positive squares in 2 ways, for example, as 11895263000401 + 124748120809 = 3448951^2 + 353197^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601000556051 + ... + 601000556070.

Almost surely, 2^{12020011121210} is an apocalyptic number.

12020011121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020011121210 is a deficient number, since it is larger than the sum of its proper divisors (9616008896986).

12020011121210 is a wasteful number, since it uses less digits than its factorization.

12020011121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202001112128.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12020011121210 its reverse (1212111002021), we get a palindrome (13232122123231).

The spelling of 12020011121210 in words is "twelve trillion, twenty billion, eleven million, one hundred twenty-one thousand, two hundred ten".