1202212090 has 32 divisors (see below), whose sum is σ = 2190355344. Its totient is φ = 475046400.

The previous prime is 1202212087. The next prime is 1202212111. The reversal of 1202212090 is 902122021.

It can be written as a sum of positive squares in 8 ways, for example, as 256096009 + 946116081 = 16003^2 + 30759^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561502 + ... + 563638.

Almost surely, 2^1202212090 is an apocalyptic number.

1202212090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202212090 is a deficient number, since it is larger than the sum of its proper divisors (988143254).

1202212090 is a wasteful number, since it uses less digits than its factorization.

1202212090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1202212090 is about 34672.9302194089. The cubic root of 1202212090 is about 1063.3111395828.

The spelling of 1202212090 in words is "one billion, two hundred two million, two hundred twelve thousand, ninety".