20120212119971 has 2 divisors, whose sum is σ = 20120212119972. Its totient is φ = 20120212119970.

The previous prime is 20120212119967. The next prime is 20120212120093. The reversal of 20120212119971 is 17991121202102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120212119971 - 2² = 20120212119967 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120212419971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060106059985 + 10060106059986.

It is an arithmetic number, because the mean of its divisors is an integer number (10060106059986).

Almost surely, 2^{20120212119971} is an apocalyptic number.

20120212119971 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120212119971 is an equidigital number, since it uses as much as digits as its factorization.

20120212119971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 20120212119971 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred nineteen thousand, nine hundred seventy-one".