1202121202 has 4 divisors (see below), whose sum is σ = 1803181806. Its totient is φ = 601060600.

The previous prime is 1202121191. The next prime is 1202121257. The reversal of 1202121202 is 2021212021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2021212021 = 29207 ⋅69203.

It can be written as a sum of positive squares in only one way, i.e., 845704561 + 356416641 = 29081^2 + 18879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300530299 + ... + 300530302.

Almost surely, 2^1202121202 is an apocalyptic number.

1202121202 is a deficient number, since it is larger than the sum of its proper divisors (601060604).

1202121202 is an equidigital number, since it uses as much as digits as its factorization.

1202121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601060603.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1202121202 is about 34671.6195468282. The cubic root of 1202121202 is about 1063.2843432410.

Adding to 1202121202 its reverse (2021212021), we get a palindrome (3223333223).

The spelling of 1202121202 in words is "one billion, two hundred two million, one hundred twenty-one thousand, two hundred two".