1202021002 has 64 divisors (see below), whose sum is σ = 2257484544. Its totient is φ = 467389440.

The previous prime is 1202020969. The next prime is 1202021003. The reversal of 1202021002 is 2001202021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202021002.

It is not an unprimeable number, because it can be changed into a prime (1202021003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4339288 + ... + 4339564.

It is an arithmetic number, because the mean of its divisors is an integer number (35273196).

Almost surely, 2^1202021002 is an apocalyptic number.

1202021002 is a deficient number, since it is larger than the sum of its proper divisors (1055463542).

1202021002 is a wasteful number, since it uses less digits than its factorization.

1202021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

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

The square root of 1202021002 is about 34670.1745308558. The cubic root of 1202021002 is about 1063.2547998939.

Adding to 1202021002 its reverse (2001202021), we get a palindrome (3203223023).

The spelling of 1202021002 in words is "one billion, two hundred two million, twenty-one thousand, two".