1202001210122 has 4 divisors (see below), whose sum is σ = 1803001815186. Its totient is φ = 601000605060.

The previous prime is 1202001210107. The next prime is 1202001210133. The reversal of 1202001210122 is 2210121002021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 826206463681 + 375794746441 = 908959^2 + 613021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202001210097 and 1202001210106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300500302529 + ... + 300500302532.

Almost surely, 2^{1202001210122} is an apocalyptic number.

1202001210122 is a deficient number, since it is larger than the sum of its proper divisors (601000605064).

1202001210122 is an equidigital number, since it uses as much as digits as its factorization.

1202001210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601000605063.

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

Adding to 1202001210122 its reverse (2210121002021), we get a palindrome (3412122212143).

The spelling of 1202001210122 in words is "one trillion, two hundred two billion, one million, two hundred ten thousand, one hundred twenty-two".