122210121022012 has 48 divisors (see below), whose sum is σ = 220855236747264. Its totient is φ = 59110211160000.

The previous prime is 122210121021997. The next prime is 122210121022013. The reversal of 122210121022012 is 210220121012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210121022013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4599020358 + ... + 4599046930.

It is an arithmetic number, because the mean of its divisors is an integer number (4601150765568).

Almost surely, 2^{122210121022012} is an apocalyptic number.

It is an amenable number.

122210121022012 is a deficient number, since it is larger than the sum of its proper divisors (98645115725252).

122210121022012 is a wasteful number, since it uses less digits than its factorization.

122210121022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40090 (or 40088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122210121022012 its reverse (210220121012221), we get a palindrome (332430242034233).

The spelling of 122210121022012 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred twenty-one million, twenty-two thousand, twelve".