151212106011 has 4 divisors (see below), whose sum is σ = 201616141352. Its totient is φ = 100808070672.

The previous prime is 151212105991. The next prime is 151212106033. The reversal of 151212106011 is 110601212151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 151212106011 - 2¹⁹ = 151211581723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151212106711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25202017666 + ... + 25202017671.

It is an arithmetic number, because the mean of its divisors is an integer number (50404035338).

Almost surely, 2^151212106011 is an apocalyptic number.

151212106011 is a deficient number, since it is larger than the sum of its proper divisors (50404035341).

151212106011 is an equidigital number, since it uses as much as digits as its factorization.

151212106011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50404035340.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 151212106011 its reverse (110601212151), we get a palindrome (261813318162).

The spelling of 151212106011 in words is "one hundred fifty-one billion, two hundred twelve million, one hundred six thousand, eleven".