1202000001022 has 4 divisors (see below), whose sum is σ = 1803000001536. Its totient is φ = 601000000510.

The previous prime is 1202000001017. The next prime is 1202000001023. The reversal of 1202000001022 is 2201000002021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202000001023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300500000254 + ... + 300500000257.

It is an arithmetic number, because the mean of its divisors is an integer number (450750000384).

Almost surely, 2^{1202000001022} is an apocalyptic number.

1202000001022 is a deficient number, since it is larger than the sum of its proper divisors (601000000514).

1202000001022 is an equidigital number, since it uses as much as digits as its factorization.

1202000001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601000000513.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1202000001022 its reverse (2201000002021), we get a palindrome (3403000003043).

Subtracting 1202000001022 from its reverse (2201000002021), we obtain a palindrome (999000000999).

The spelling of 1202000001022 in words is "one trillion, two hundred two billion, one thousand, twenty-two".