10001212020122 has 8 divisors (see below), whose sum is σ = 15064587144000. Its totient is φ = 4979682972124.

The previous prime is 10001212020113. The next prime is 10001212020161. The reversal of 10001212020122 is 22102021210001.

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

It is a super-2 number, since 2×10001212020122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001212020097 and 10001212020106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10461518372 + ... + 10461519327.

It is an arithmetic number, because the mean of its divisors is an integer number (1883073393000).

Almost surely, 2^{10001212020122} is an apocalyptic number.

10001212020122 is a deficient number, since it is larger than the sum of its proper divisors (5063375123878).

10001212020122 is a wasteful number, since it uses less digits than its factorization.

10001212020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20923037940.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10001212020122 its reverse (22102021210001), we get a palindrome (32103233230123).

The spelling of 10001212020122 in words is "ten trillion, one billion, two hundred twelve million, twenty thousand, one hundred twenty-two".