212122150131 has 8 divisors (see below), whose sum is σ = 283331897280. Its totient is φ = 141163584872.

The previous prime is 212122150127. The next prime is 212122150133. The reversal of 212122150131 is 131051221212.

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

It is a cyclic number.

It is not a de Polignac number, because 212122150131 - 2² = 212122150127 is a prime.

It is a super-2 number, since 2×212122150131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212122150098 and 212122150107.

It is not an unprimeable number, because it can be changed into a prime (212122150133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62793501 + ... + 62796878.

It is an arithmetic number, because the mean of its divisors is an integer number (35416487160).

Almost surely, 2^212122150131 is an apocalyptic number.

212122150131 is a deficient number, since it is larger than the sum of its proper divisors (71209747149).

212122150131 is a wasteful number, since it uses less digits than its factorization.

212122150131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125590945.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 212122150131 its reverse (131051221212), we get a palindrome (343173371343).

The spelling of 212122150131 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred fifty thousand, one hundred thirty-one".