1222212012038 has 32 divisors (see below), whose sum is σ = 1934648828640. Its totient is φ = 577491240960.

The previous prime is 1222212012037. The next prime is 1222212012059. The reversal of 1222212012038 is 8302102122221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222212011998 and 1222212012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222212012037) 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, 65304170 + ... + 65322882.

It is an arithmetic number, because the mean of its divisors is an integer number (60457775895).

Almost surely, 2^{1222212012038} is an apocalyptic number.

1222212012038 is a deficient number, since it is larger than the sum of its proper divisors (712436816602).

1222212012038 is a wasteful number, since it uses less digits than its factorization.

1222212012038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22952.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1222212012038 its reverse (8302102122221), we get a palindrome (9524314134259).

The spelling of 1222212012038 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, twelve thousand, thirty-eight".