1001212002122 has 32 divisors (see below), whose sum is σ = 1578397968000. Its totient is φ = 475402752000.

The previous prime is 1001212002079. The next prime is 1001212002139. The reversal of 1001212002122 is 2212002121001.

It is a junction number, because it is equal to n+sod(n) for n = 1001212002097 and 1001212002106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4317122 + ... + 4543122.

It is an arithmetic number, because the mean of its divisors is an integer number (49324936500).

Almost surely, 2^{1001212002122} is an apocalyptic number.

1001212002122 is a deficient number, since it is larger than the sum of its proper divisors (577185965878).

1001212002122 is a wasteful number, since it uses less digits than its factorization.

1001212002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226718.

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

Adding to 1001212002122 its reverse (2212002121001), we get a palindrome (3213214123123).

The spelling of 1001212002122 in words is "one trillion, one billion, two hundred twelve million, two thousand, one hundred twenty-two".