1202213011 has 4 divisors (see below), whose sum is σ = 1265487400. Its totient is φ = 1138938624.

The previous prime is 1202212961. The next prime is 1202213027. The reversal of 1202213011 is 1103122021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103122021 = 23 ⋅47961827.

It is a cyclic number.

It is not a de Polignac number, because 1202213011 - 2⁷ = 1202212883 is a prime.

It is a super-2 number, since 2×1202213011² = 2890632247635372242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202212982 and 1202213000.

It is not an unprimeable number, because it can be changed into a prime (1202213711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31637166 + ... + 31637203.

It is an arithmetic number, because the mean of its divisors is an integer number (316371850).

Almost surely, 2^1202213011 is an apocalyptic number.

1202213011 is a deficient number, since it is larger than the sum of its proper divisors (63274389).

1202213011 is an equidigital number, since it uses as much as digits as its factorization.

1202213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63274388.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1202213011 is about 34672.9435006606. The cubic root of 1202213011 is about 1063.3114111126.

Adding to 1202213011 its reverse (1103122021), we get a palindrome (2305335032).

The spelling of 1202213011 in words is "one billion, two hundred two million, two hundred thirteen thousand, eleven".