1202021132 has 24 divisors (see below), whose sum is σ = 2308095216. Its totient is φ = 544310208.

The previous prime is 1202021131. The next prime is 1202021141. The reversal of 1202021132 is 2311202021.

It is a happy number.

It is a super-2 number, since 2×1202021132² = 2889709603549122848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202021131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215318 + ... + 220829.

It is an arithmetic number, because the mean of its divisors is an integer number (96170634).

Almost surely, 2^1202021132 is an apocalyptic number.

It is an amenable number.

1202021132 is a deficient number, since it is larger than the sum of its proper divisors (1106074084).

1202021132 is a wasteful number, since it uses less digits than its factorization.

1202021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436217 (or 436215 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1202021132 is about 34670.1764056660. The cubic root of 1202021132 is about 1063.2548382247.

Adding to 1202021132 its reverse (2311202021), we get a palindrome (3513223153).

The spelling of 1202021132 in words is "one billion, two hundred two million, twenty-one thousand, one hundred thirty-two".